1·The vacuum valve opens to admit air.
真空阀开启以补充空气。
2·The vacuum valve opens to admit air .
真空阀开启以补充空气。
3·It consists air blowing system, heating system, vacuum vehicle, vacuum pump, vacuum valve and alarm equipment.
本机组由风循环系统、加热系统、真空车、真空泵、真空阀等部件组成，并设有报警装置。
4·The vacuum valve type of suctorial mechanical hands are used in carrying copper plate, the good effect are gotten.
利用真空阀式吸附机械手在气动组合台上搬运薄铜板件，取得了良好的效果。
5·Differential vacuum valve is applied usually, and the question found in application by us is a special question, but if want to use it you should be careful.
压差阀目前应用比较多，我们发现的问题比较特殊，从另一方面看也是一个提醒。
6·Before leaving, Mr. Seymour turned off the vacuum cleaner and the water valve.
在离开之前，西摩先生关掉了真空吸尘器和水阀。
7·Before leaving, Mr.Seymour turned off the vacuum cleaner and the water valve.
在离开之前，西摩先生关掉了真空吸尘器和水阀。
8·The disclosed valve ACTS as an integral diverter valve and vacuum break.
公开的阀起—一体的换向阀和真空断路器的作用。
9·Valve Disadvantages: the valve is prone to leakage around the stem, especially in-board leakage when a vacuum is pulled on the valve outlet.
阀门的缺点：当阀门排气口处是真空时，阀门在阀杆附近容易泄漏，特别是内部泄漏。
10·The Model 1600a precision vacuum regulator features control sensitivity of 1 water column and a balanced supply valve for high precision.
示范1600a精密真空调节器控制1敏感性水柱和高精度供求平衡的阀门。