float controlled valve 浮子控制阀 ; 浮筒控制阀 ; 浮子节制阀

spring-controlled float valve 弹簧操纵浮阀

Remote-controlled float valve 遥控浮球阀

controlled float valve 弹簧操纵浮阀 ; 遥控浮球阀

float t controlled valve 浮子控制阀

float-switch controlled rotary-spool valve 浮动开关控制的旋转滑阀