Elbow is one of parts in the system of main steam pipe which is easy to damage.

弯管是火力发电厂主蒸汽管道系统中较易损坏的部件之一。

youdao

Elbow is one of parts in the system of main steam pipe which is easy to damage.

弯管是火力发电厂主蒸汽管道系统中较易损坏的部件之一。

youdao