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- These valves shall have PTFE seats and FPM seals for maximum service life and protection against external leakage. 这些阀门应该配置聚四氟乙烯阀座和FPM密封，使其使用寿命更长，更有助于防止外泄漏。
- Valves shall have glass-filled PTFE seals for positive shut-off and extended service-life and FPM seals for maximum protection against external leakage. 这种阀门应该配置玻璃填充聚四氟乙烯密封，关闭更加灵活，使用寿命更长，FPM密封能够更好的防止外泄漏。
- Flow characters of large flow quantity, internal leakage, external leakage and pressure ratio and all the influence volume efficiency of three leaves roots blowers are discussed. 摘要介绍大流量三叶罗茨风机的流量特性，内泄漏、外泄露、压力比对容积效率的影响。
- He is just listening in external of that room. 他正在那房间的外面留神听着。
- The washer for preventing leakage is broken. 那个防漏的垫圈坏了。
- This news program only covers external events. 这一新闻节目只报道国外消息。
- She sets great store by external politeness. 她很注重表面的虚礼。
- external leakage 外漏泄
- Our external trade has expanded during recent years. 我国的对外贸易近几年来有所发展。
- external leakage loss 外漏损失
- He judge people by mere external clothes rather than internal character. 他判断人只靠着外表的衣服而不是内在的品格。
- Threads can corrode and cause leakage. 螺纹可能被腐蚀并导致泄露。
- The metal or plastic external structure of a motor vehicle. 车身机动车的金属和塑料的外部结构
- Leakage is the trickiest problem in sealing system. 漏！是密封系统中最为头痛的问题。
- Blind-hole lower bushing prevents leakage. "盲孔"下部衬垫能够防止泄漏。
- I think risk of leakage suit our consignment. 我认为渗漏适合于我们这批货。
- This check does not simulate a seal leakage. 这个测试并不等同于密封泄漏。
- External torques arise from outside the system. 外转矩是由系统外部生产的。
- Fluid motion caused by an external force such as gravity. 流体运动由重力等外力引起的流体运动
- Fuel fumes or leakage, correct if necessary. 有无燃油油雾或泄漏，必要时进行排除。
