常見(jiàn)例句雙語(yǔ)例句This connection has a left-hand thread (loosens with clockwise rotation) and requires a gasket to seal.這種接頭具有左手螺紋（順時(shí)針旋轉(zhuǎn)為松開(kāi)），要求使用墊圈來(lái)密封。 返回 connection with gasket