密封

• The steel member is chromium plated on those surfaces with which the seal interacts .
  钢质零件上与密封唇接触的表面以镀铬。
• The unit consists of an inverted bell or cylinder immersed in a sealing liquid .
  它是用一个钟罩或圆筒倒扣在被密封的液体中。
• The system is completely sealed and the only moving part is the metal itself .
  整个系统是完全密封的，只有金属本身在其中流动。
• To render an infusion permanently barren, it must be sealed hermetically and boiled .
  要长久保持浸液的无生命状态，必须密封和煮沸。
• This means that people going inside must pass through at least two airtight doors .
  这意味着：人们要进去的话，至少要通过两道密封门。
• The presence of water containing hard particles presents a difficult problem for the sealing .
  含有坚硬颗粒的水，给密封带来一个难题。
• An aneroid is a sealed bellows which is sensitive to changes in atmospheric pressures .
  膜盒是一种密封的弹簧绉纹管，可以感受大气压力的变化。
• An aneroid is a sealed bellows which is sensitive to changes in atmospheric pressure .
  膜盒是一种密封的弹簧绉纹管，可以感受到大气压力的变化。
• Diplegs play an important role as pressure seals against the considerable back pressure generated .
  料腿则起着对产生的相当大的背压加压密封作用。
• The top of bucket is sealed with rubber membrane, and the rubber membrane inflated at a pressure .
  水桶顶端用橡皮膜密封，橡皮膜在压力作用下膨胀。