断流阀，停汽阀，节流阀；止阀，闭塞阀。的英文

stopvalve

• 断流:    setting off; cutou ...
• 阀:    established house ...
• 停:    stop; halt; cease; ...
• 汽阀:    steam valve
• 节流阀:    throttle valve; ba ...
• 止:    stop; cut out
• 闭塞:    stop up; close up