English translation for "back pressure valve"

反压阀
止回阀，背压阀

Example Sentences:

	1.	Several different types of valves are in use. some are back pressure valves . 有几种不同的阀在使用中，有些是反向压力阀。
	2.	Application of shuttle back pressure valve in fluid transportat ion 梭式止回阀在流体输送中的应用
	3.	Research on action of slow closure back pressure valve in water delivery system with air cushion surge tank 设置气压式调压室的输水系统中缓闭止回阀作用的研究

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