valve block

• 给油阀组

valve block的用法和样例：

例句

1. Manifolds can be added to a control valve sealing device.
   可以给阀组加一个阀的密封控制装置。
2. The apparatus consists of a bulb of known volume and valve block or manifold.
   仪器由一个已知体积的球管和一个阀组或管网所组成。