无接触密封自吸泵 nontacting sealed self priming pump
无接触密封 nontacting sealed self priming pump
比非接触密封 ZRZ ; ZZ
静压非接触密封 hydrostatic non-contact seal
非接触式密封 [机] non-contact seal ; contact seal
接触式密封 contact seal
非接触密封型 VV
接触式密封球轴承 contact sealed ball bearing
非接触式密封球轴承 non-contact sealed ball bearing
非接触式橡胶密封圈 RU ; VV
定期检查吸入、呼出阀盘动作是否灵活，导杆及阀盘接触密封面有无损坏，如有损坏应立即更换。
Regularly check whether actions of inhalation, exhalation discs are flexible, and the sealing contact surface of leader and disc is damaged, if so, should be replaced immediately.
如果有人已经接触到水银，要脱下污染的鞋子和衣物，装在两个袋子里，密封好。
Those who may have come into contact with mercury should be directed to remove contaminated shoes or clothing, which should be placed in two bags, sealed and closed.
闸板和阀座的接触表面必须光滑、平整，才能有效地密封。
Contacting surfaces of the gate and body seats must be smooth and flat for effective sealing.
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