短语词组短语safety valve inside 带安全装置;内置安全装置valve inside plunger pin 翻译;阀针英语;阀针slide valve inside lap 滑阀内余面valve gear for inside admission 内进式阀动装置Inside Valve Chest 内阀公益金inside admission valve 内进汽汽阀;内侧进汽阀 返回 valve inside