To introduce the structure, performance and design of the differential stopcheck valve.
介绍了差压式截止止回阀的结构、性能和设计要点。
2
But because of his outstanding performance and gold carefully, makes his investigation as early stopcheck Weakness lends wings to rumours. investigation.
但由于金的出色表演及他的小心，使得对他的调查如同查空穴来风，调查早早停止。
3
When more than one boiler is connected to the main steam header, a stopcheck valve should be installed in the pipeline between each boiler and the header.