Three O-ring seals on the stem to ensure sealing performance more effectively.
阀杆密封采用三道“O”型圈，使密封性能得到更有效地保障。
New structure type is featured by fine sealing performance and easy maintenance.
新结构形式特点：密封性好，方便维修。
Prevent the deformation of the bottom cover to affect the sealing performance of the watch.
避免底盖变形影响手表密封性。
Valve plate and seat alternately touching with no grinding to maintain good sealing performance.
阀板与阀座交替开关，无滑动机构，保持高密封性；
This product has an excellent resistance to high and low temperature and good sealing performance.
本产品有优良的耐高低温性和良好的密封性能。
Sealing performance is an important technical index which is closely related with product quality.
密封性是一项重要的技术指标，与产品质量关系很大。
The improved getter installation technology was adopted for improving the device sealing performance.
改进的消气剂装配确保了器件的良好密封性能。
At last, the possible ways to improve the sealing performance of glass-ceramic material were discussed.
最后探讨了提高玻璃-陶瓷材料封接性能的可能途径。
The conclusion is that PTFE oil seal can improve the sealing performance and meet the demand of vehicles.
PTFE复合油封能提高车辆的密封性，满足车辆的使用要求。
Two way sealing, can choose a variety of forms of valve seat, sealing performance is good, high reliability.
双向密封，可选用多种形式阀座，密封性能好，可靠性高。
It can also used for gravel packing completion and expansion tube completion to improve high sealing performance.
可用于砾石充填完井和膨胀管完井，进一步提高密封性。
The structure design of lighter one-piece frame facade effect use EPDM gaskets sealing performance is more superior.
更加轻盈的结构设计，一体式扇框外立面效果，采用EPDM胶条，密封性能更为优越。
The device processes the characteristic of simple structure, convenient operation and excellent sealing performance.
该装置具有结构简单、操作方便、密封性能良好等特点。
Standard seat with the spring structure, the seat into the sphere of low pressure to ensure a good sealing performance.
标准阀座采用弹簧结构，将阀座推向球体，保证了良好的低压密封性能。
The end surface of spiral channel is sealed by welding, therefore the sealing performance is good with reliable structure.
螺旋通道的端面是焊接密封的，密封性能好，结构可靠。
In complex fault-block regions, it is important to study fault sealing performance to determine the distribution of reservoirs.
在复杂断块地区，断层封闭性的研究对于确定油气藏的分布有着极为重要的意义。
Flat bottom direct design prevents sundries from accumulating, which guarantees valve gate sealing performance for long time use.
平底直通式设计，阀体避免杂物堆积，蝶阀保证长期使用不影响阀门密封性能。
The inflammable, explosive, toxic or radioactive medium is allowed to leak, so the valve must have a reliable sealing performance.
对于易燃易爆、有毒或有放射的介质，外漏更是不能允许的，因而阀门必须具有可靠的密封性能。
Production enjoys such advantages as good cushioning effect, shock resistance, heat-sealing performance, corrosion resistance, etc.
制品具有减震性、冲击性、合性、腐蚀性、直观包装物的形态等优点。
Single mechanical seal : simple in structure, good sealing performance, long life, easy to maintain (meet the criterion of ISO3069).
单端面机械密封：结构简单，密封性能好，使用寿命长，维护方便（符合ISO3069 标准）。
The inner door of the door is sealed with a sealing strip, and the sound insulation effect and the sealing performance are improved.
门框内侧预装有密封条，隔声效果及密封性提高。
At the same time with high mechanical strength, sealing performance, and feed speed, low energy consumption, easy to operate and so on.
同时具有机械强度高、密封性能好、进料速度快、耗能低、操作简便等特点。
The sealing leakage ratio formula of water electric tank was deduced based on hydrodynamic theory and the sealing performance was analyzed.
基于流体动力学理论，推导了水电解槽密封泄漏率公式，并分析了其密封性能。
Flat welding flange not only saves space, reduces weight, more importantly, to ensure that joints do not leak, has good sealing performance.
平焊法兰不仅节省了空间、减轻了重量，更重要的是确保接头部位不会发生泄漏，具有良好的密封性能。
The results of test indicate that the magnetic fluid has excellent sealing performance, and temperature rising is rather low during running.
试验结果表明，磁流体密封装置应用在大轴径、高转速的捏合机上，密封性能良好，且温升较小。
Again the old car you can choose appropriate viscosity of older oil to increase the sealing performance of the piston and cylinder wall between.
再次老旧车可以适当选用黏度稍大点的机油来增加活塞、缸壁间的密封性。
Exchange the sealing ring of the valve body according to the working condition of rubber sealing ring in order to ensure the sealing performance.
按橡胶密封圈使用性能，根据具体情况定期对阀体的密封圈进行更换，以保证阀门的密封性能。
The machine is equipped with dust inside boards, sealing performance, avoiding the broken Young tiny splash of materials, use a good environment.
本机内部装有防尘板，密封性能好，避免了破碎后的细小物料的扬溅，使用环境好。
In addition, the vehicle does not wash for a long time, some of the sealant can not be timely care, aging failure, so that the sealing performance.
另外，车辆长时间不洗，一些密封胶条得不到及时护理，也会老化失效，使密封性能。
In addition, the vehicle does not wash for a long time, some of the sealant can not be timely care, aging failure, so that the sealing performance.
另外，车辆长时间不洗，一些密封胶条得不到及时护理，也会老化失效，使密封性能。
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