单词	plug valve
释义	plug valve 旋塞阀
随便看	deep-space laser tracking system deep space mission deep-space mission deep space network deep-space nuclear power deep space probe deep-space probe deep-spacer deep spaces deep space satellite deep-spacest deep space telemetry deep space tracking network deep split deep spout Deep Springs deep squat deep stabilization deep stack deep stacked deep stacks deep stall deep stall method deep stamping and drawing process deep stamping sheet 无计可留汝无计向无计拘管；青丝绊马无计留春住无计留春住无计相回避无计花间住无语东流无语寄归鸿无语对斜阳接身儿接车接轨接转接载接近接连接送接通接遇