如果它似乎很快就结霜了，检查一下的的密封度。
软密封的主阀瓣能在95%以上的开启压力范围内获得高密封度。
Soft airproof main valve can obtain high airproof in the scope of over 95% lift pressure.
塑料管道系统。土壤和废料排出用热塑管道系统。粘接处密封度试验方法。
Plastics piping systems. Thermoplastics piping systems for soil and waste discharge. Test method for airtightness of joints.
另外，口琴新手往往很难把握在嘴唇和口琴之间密封度，密封不佳就会导致气流外漏；
Also, new players often have trouble sealing their lips around the harmonica, so that air leaks.
再者是还需要锅炉往蒸养池输送蒸汽，蒸养池的密封度要好，蒸养池做好后就可以使用了。
Then there is need to raise steam boiler steam, evaporate a pool conveying the pool is better, a steam seal degree to pool after can use.
研究了聚醚多元醇的官能度及相对分子质量对单组分聚氨酯泡沫填缝（密封）胶性能的影响。
The effects of functionality and molecular weight of polyether polyols on the properties of one component polyurethane foam sealant were studied.
法兰表面粗糙度对密封效果影响很大，特别是当采用非软质垫片时，密封表面粗糙的度值大是造成泄露的主要原因之一。
Flange surface roughness of the influence, especially sealing effect when using the soft cushion, seal surface coarse degree value big are caused by the leak is one of the main reasons why.
单密封唇V形弹簧加强，适用于转轴圆度不佳或偏摆较大的密封。
Single lip with "V" spring reinforced, suitable for poor roundness and largely swung rotary shaft sealing.
弹性加强型，适用于转轴圆度不佳或偏摆较大的旋转密封。
Flexibility reinforced, suitable for poor roundness and largely swung rotary shaft sealing.
阀门在试验过程中可翻转90度工作，特别适用气密封性能试验。
Valve can turn 90 degree working in testing course, especial suitable for property experiments of gas seal.
精密陶瓷柱塞同心度的宽容，试压泵不仅增加了柱塞磨损性，空调泵而且提高密封寿命。
Precise tolerance of concentricity for ceramic plunger, not only increase the abrasion-resistance of plunger but also increase seals life.
介绍了液压往复杆式密封是否发生泄漏的影响因素，指出密封表面粗糙度和杆速是决定密封是否泄漏的重要因素。
The paper introduce the leakage influences factor of reciprocating rod seals; the roughness of the seal surface and the rod speed are the important parameter of seal leakage.
密封性良好，表面光泽度良好。
制备了不同低模量高延伸率室温硫化有机硅密封材料，并考察了扩链剂类型和用量、固化温度和时间对材料性能和交联度的影响。
The effects of type, concentration of chain extender, curing temperature and time of silicone sealants with low modulus and high elongation on their mechanical properties were studied.
结果表明：密封端面各区域表面粗糙度对密封性能的影响规律各不相同，并且转速对表面粗糙度与密封性能的关系产生影响；
The effects of surface roughness at different areas of the seal faces on the performances such as gas film stiffness and leakage rate of a S-DGS were studied.
建立了考虑低速干气密封端面各向同性粗糙度和静环静态角偏差的理论模型。
A theory model considering the isotropy roughness and static stator angular misalignment of dry gas seal was given.
又短又窄的填料腔。总的填料长度缩短改善了密封的有效性。腔壁具有相当的光洁度。
Short and narrow packing chamber. Sealing effectiveness improves as overall packing length shortens. Chamber wall is burnished for superior finish.
阀座环较长，并且是密封焊接的，能够补偿温度波动。阀座面用钨铬钴合金6硬化，研磨和层叠为镜面光洁度。
Seat rings are long to compensate for temperature fluctuations and are seal - welded. seating faces are hardfaced with stellite 6, ground and lapped to mirror finish.
采用高平面度、耐磨损、耐腐蚀的端面密封片启闭，密封性能好，使用寿命长。
S adopts high flatness, wear resistance, corrosion resistance of end face sealing piece on-off, sealed performance is good, long service life.
围绕套管的四周360度的环型空间允许水泥完全能够密封套管与井壁。
A continuous 360-degree annular space around casing allows cement to completely seal the casing to the borehole wall.
应用微扰方法和有限元法，对端面气膜密封三自由度微扰下，密封气膜的刚度和阻尼系数进行了数值求解。
The small perturbation method and the finite element method were used to calculate the stiffness and damping coefficients of a gas film with three degrees of freedom for a gas film face seal.
密封电真空器件的可靠性尤其重要，而影响其可靠性的主要因素是真空度。
Reliability of the sealed vacuum device is very important, and the main reason that affects reliability is its vacuum.
文中对理想情况下法兰的密封模糊可靠度进行了较为详细的研究。
The sealing fuzzy reliability of a flanged system is investigated under the ideal case.
为了减轻深海高压密封舱的重量，提出基于模糊可靠度的优化设计方法。
Optimization design method based on fuzzy fiduciary level is proposed to reduce deepsea high pressure airtight cabin weight.
密封真空管的可靠性尤其重要，影响其可靠性的主要因素是真空度。
Reliability of the sealed vacuum tube is very important, and the main factor that affects reliability is its vacuum degree.
应用单片微机作为系统的控制单元，提高了密封罐头真空度无损检测系统的分选精确度和可靠性。
A single chip micro computer is used as the control unit of the system which improve classification accuracy and reliability for nondestructive test of Vacuum in the cans.
密封雪茄头剪的好坏，最终不但会影响抽烟时的顺畅度，雪茄燃烧时的平稳度，更会影响雪茄的香味和口感。
How the sealed end head of the cigar is cut ultimately determines the quality of the draw, the subtlety and intensity of the cigar's aroma, in addition to assuring that the cigar remains evenly lit.
利用有限元法计算内外壳体的应力，按照串联模式进行旋转密封总成整体可靠度计算。
Finally, after computing the maximum stresses of the inner housing and outer housing with FEM, the total reliability of rotary sealing assembly is calculated according to serial pattern.
本发明的叶片磨损小、可达到双吸双磨功能、磨煤效率高、耗能少、无需密封、煤粉细度可达200目以上、主轴传动部分不发热、结构紧凑、体积小、功率大、成本低。
Its advantages are less abrasion of blades, high efficiency and fineness of coal cup to 200 meshes or more, compact structure, small size, high power and low cost.
或存放在一个密封的塑料袋或包裹在金属箔里：这样外壳会软化，但可以通过将其放在400度的烤箱里加热几分钟来使其变脆。
Or store airtight in a plastic bag or wrapped in foil: the crust will soften, but can be crisped by heating the loaf, uncovered, in a 400 degree oven for a few minutes.
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