It has two form sealing type: soft and hard seal.
密封形式有软密封和硬密封两种。
The sealing structure can be divided into soft-seal and hard seal structure.
其密封结构可以分软密封、硬密封结构。
Generally use the soft rubber type sealing ring seal, hard seal ring-type metal seal used.
软密封型一般采用橡胶环密封，硬密封型通常采用金属环密封。
Its structure can be made into a hard seal, soft seal. Sealing requirements base on customer's selection.
其结构可以做成硬密封、软密封，可以很可以根据客户对密封要求选型。
In some special occasions for metal hard seal butterfly valve seal put forward higher request, must be two-way under pressure.
在一些特殊场合对金属硬密封蝶阀的密封提出了更高的要求，必须双向承压。
Now gate valves have been replaced by eccentric metal hard seal ball valves in the construction of some new unit and old unit revamping.
偏心金属硬密封球阀已在一些新装置建设和老装置改造中取代了一部分闸阀而得到应用。
The employees of the phony stores insist their iPods, iPhones, and iPads are real Apple products, but lacking Apple's seal of approval, it's hard to verify.
“山寨”店员工坚持他们的iPod、iPhone、iPad都是苹果公司的产品，但是这些产品没有苹果公司的封签，很难验证。
Found oil seal leakage, the first shall determine the parts of the leak, if not oil seal leakage, sometimes is hard because such as the oil leakage for reasons other than and mistaken for leakage.
发现油封泄漏时，首先应确定发生泄漏的部位，如果不是油封泄漏，有时是由于附着了油脂等泄漏以外的原因而误认为是泄漏。
Mechanical seal with tungsten carbide hard wear-resistant, with durable, wear-resistant characteristics, can pump more than 8000 hours of continuous operation safe.
机械密封采用硬质耐磨碳化钨，具有耐用、耐磨等特点，可以使泵安全连续运行8000小时以上。
Seal the surface material: Structure pottery or exceeding two kinds alloy materials of hard surface.
密封面材料：结构陶瓷或超硬表面合金材料二种。
The basic structure and the seal principles of the hard packing were presented, and the formula of specific pressure was given.
介绍了硬填料密封的基本结构及密封原理，给出了比压计算式。
Zero leakage: hard alloy seal with different materials ensures zero leakage for transportation of different media.
滴水不漏：不同材质的硬质合金密封，保证了不同介质输送均无泄漏。
They wear hard hats, crunch Numbers, seal deals, and invent new products and processes.
他们佩带硬帽子，紧缩号码，密封处理，并发明新产品和新工艺。
12-100 seal trap, the only hard wax like, demand for high temperature dissolution will light, this process will cause overheating of internal coating.
封釉——100圈套，那仅仅硬蜡之类的东西，需求用高温溶解才会亮光，这个进程会造成漆层过热内伤。
Frequent leakage of mechanical seal of quenching oil circulating pump was a hard problem in ethylene production.
急冷油循环泵的机械密封频繁泄漏是困扰乙烯生产的老难题。
This paper has analyzed the reason the problem of shaft seal in Banbury mixer is hard to solve, and proposed an approach by effective cooling of the shaft soal.
本文着重分析了密炼机轴封问题难以解决的根本原因，并提出可通过解决轴封有效冷却的途径来加以解决。
Laughing so hard, no noise coming out, so you sit there clapping like a retarded seal.
拼命的笑，不发出声音，所以你坐在那鼓掌像个笨笨的海豹。
Unfortunately, this air-tight seal is often hard to maintain, especially if passengers want to walk between cars.
但不幸的是，这种高气密的设备不容易保养维护，特别是当乘客们想要在车与车之间走动时显得更为困难。
It wholly changes the defects of hard-sealed metal ball valves such as easy to be leaked, big torsional moment and non-corrosive seal surface.
彻底改变了金属硬密封球阀艺泄露、扭矩、密封面不耐腐蚀的缺点。
All products contain from 75% - 99% certified organic ingredients, with many that have earned the hard-to-obtain "USDA certified organic" seal.
所有的产物包含75%- 99%认证的有机成份，具有很难获得的USDA的有机认证印章。
Most of the hard disk is fixed hard drive, is permanently seal fixed in the hard disk drives.
绝大多数硬盘都是固定硬盘，被永久性地密封固定在硬盘驱动器中。
Most of the hard disk is fixed hard drive, is permanently seal fixed in the hard disk drives.
绝大多数硬盘都是固定硬盘，被永久性地密封固定在硬盘驱动器中。
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