normally closed pneumatic diaphragm valve 常闭型气动隔膜阀
normally closed pneumatic
常闭气动
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Valve types include Normally Open and Normally Closed valves, for use in fuel, hydraulic, or pneumatic applications.
阀门有常开和常闭两种，可用于燃油，液压或气动应用领域。
youdao
应用推荐
模块上移
模块下移
不移动