所有阀门的表面都严重腐蚀了。
至少一个料仓通过带有阀门的管道与压力气源相通。
At least one bin is communicated with a pressure air supply via a pipeline with a valve.
循环泵通过各设有阀门的两管道与电解槽的 两个阳极室连接。
The circulating pump is communicated with the two anode chambers respectively through two pipelines each of which is provided with a valve.
应用推荐