spring-loaded regulator造句

• Spring - loaded regulator
  弹簧型自力式调节阀
• It is a direct acting and spring - loaded regulator , fail to open , with impulse connected , to be fitted downstream or optionally incorporated to the outlet flange
  这是一个直接动作和弹簧负荷式减压器，失败即开，气流信号感应可连接下游管线，或可选用内建接口在减压器出口端的法兰凸缘上。