main steam valve
常见例句
- First: to act as an automatic non-return valve by preventing a backflow of steam from the main steam header to the boiler.
首先，能过作为一个自动逆止阀，防止蒸汽从主蒸汽加热器上倒流到锅炉里。 - The design and principle of working in the invention steam from traditional oil pump. The main components, as cylinder plug, oil valve, oil clumber-controlled muff, are same with the traditional.
该泵的设计和工作原理源于传统油泵，主要部件如柱塞、油阀、油量控制套筒和传统油泵相同。
ip.com 返回 main steam valve