normally opened pneumatic diaphragm valve
... 常闭型气动隔膜阀 normally closed pneumatic diaphragm valve 常开型气动隔膜阀 normally opened pneumatic diaphragm valve 气动药用隔膜阀 ZTGJ ...
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normally opened pneumatic diaphragm valve
常开气动隔膜阀
以上为机器翻译结果,长、整句建议使用 人工翻译 。