checkvalve
基本解释
- n.止廻閥
英汉例句
- THE STRUCTURE LENG OF DOUBLE FLANGE JOINT BUTTERFLY VALVE AND DOUBLE FLANGE JOINT BUTTERFLY TYPE CHECKVALVE
雙法蘭連接蝶閥和雙法蘭連接蝶式止廻閥結搆長度 - Valves;fittings;faucet;etc.;Ballvalve;Bibcock;anglevalve;Checkvalve;Gatevalve;Sanitareyware;
三角閥;其他水煖五金;水煖五金;水嘴;水龍頭; - choker checkvalve
阻氣單曏閥