normally closed pneumatic diaphragm valve
... 常开型气动隔膜阀 normally opened pneumatic diaphragm valve 常闭型气动隔膜阀 normally closed pneumatic diaphragm valve 倒车灯开关(常闭型) BLS ...
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normally closed pneumatic diaphragm valve
常闭气动隔膜阀
以上为机器翻译结果,长、整句建议使用 人工翻译 。