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- Using the characteristic curves of vacuum pump and vacuum pipe and combining them with formula calculation,the relations of some parameters in system controlling process are analyzed,in this paper. 利用真空系统真空泵与真空管道特性曲线的概念，结合具体公式计算，分析了真空系统在调节控制过程中各类有关参数的变化规律。
- Vacuum pipe waste collection system equipment,principle and application status at home and abroad were introduced,suggestion of popularizing and application in China was put forward. 介绍真空管道垃圾收集系统设备、原理以及在国内外的应用状况,提出国内推广使用的建议。
- Wipe motor cap, and or replace brake vacuum pipe 加装头水拨摩打胶,及或更换制动加力器真空喉
- Replacing the brake booster vacuum pipe 更换制动加力器真空喉
- large caliber liquid hydrogen vacuum pipe 大口径液氢输送管
- Although the vacuum piping system passes the gas leakage test, it shall also bear a test of vacuum degree prior to the linkage trial run of the vacuum system. 真空管道在气体泄漏性试验合格后,真空系统联动试运转时,还应进行真空度试验。
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- I told her to pipe down but she still babbled on. 我叫她闭嘴，可她还是唠叨个没完。
- The pipe burst and a spout of water shoot out. 水管破裂了，一股水喷了出来。
- His wife's death left him a vacuum in his life. 他妻子的去世使他的生活变得空虚。
- The tail exhaust pipe of the motor vehicle emitted poisonous smoke. 机动车的尾部排气管排出有毒的浓烟。
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- Some people are living in a vacuum. 有些人过着与世隔绝的生活。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- So be it. We shall smoke the pipe of peace. 好吧，咱们抽袋烟言和吧！
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- Gushes of water sprayed out of the pipe. 好几股水流从管子里喷出来。
- Water is spouting out of the pipe. 水正从管子里喷出来。
