目前国产高温闸阀有气动高温平板闸阀和电动高温闸阀两种类型。

There are two sorts of high temperature gate valve of home products at present.

youdao

目前国产高温闸阀有气动高温平板闸阀和电动高温闸阀两种类型。

There are two sorts of high temperature gate valve of home products at present.

youdao