没有橡胶密封垫圈的孔堵塞，一旦你敲出来的，所以它不是气象证明。
There is no rubber grommet to seal the hole once you knock the plug out, so it is not weather proof.
密封的弹性使得阀门阀体和阀瓣能够接触或扩张，避免了由于温度波动而产生堵塞的危险。
The resiliency of the seal allows the valve body and disc to contract or expand, without the risk of jamming due to temperature fluctuations.
该工具然后绘制朝头部成员扩大锚安全的连接密封堵塞的管道和衬垫。
The tool then draws the expanded anchoring member towards to the head to securely connect the seal plug to the pipeline and liner.
玻璃接头、油管定压接头、油管单向定压接头和油管堵塞器是目前各油气田使用较普遍的油管内密封工具。
Glass connection, tubing constant pressure connection, single constant connection and tubing blanking plug are main tubing internal seal tool.
的目的，该舱壁是三个方面：密封着年底汽车，保留热原点火器，并充当井喷堵塞在案件电机overpressurization(讨论以较早者为准)。
The purpose of the bulkhead is threefold: to seal the forward end of the motor, to retain the pyrogen igniter, and to act as a blowout plug in case of motor overpressurization (discussed earlier).
该深基坑支护结构漏水空心膨胀螺栓封堵塞包括胀管、空心螺栓、螺母、密封胶垫和软木塞，空心螺栓套在胀管内且其长 度大于胀管长度；
The leakage plugging stopple with a hollow expansion bolt used for the support structure of the deep foundation pit comprises an expanding pipe, a hollow bolt, a nut, a sealing rubber mat and a cork;
该深基坑支护结构漏水空心膨胀螺栓封堵塞包括胀管、空心螺栓、螺母、密封胶垫和软木塞，空心螺栓套在胀管内且其长 度大于胀管长度；
The leakage plugging stopple with a hollow expansion bolt used for the support structure of the deep foundation pit comprises an expanding pipe, a hollow bolt, a nut, a sealing rubber mat and a cork;
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