常見例句雙語(yǔ)例句Screw rings, rings nut. Butterfly nut. Butterfly screws.吊環(huán)，機(jī)螺釘；鉛封，蝶母。Hsieh Yu butterfly valve is designed for installation with square screw, nut and washer.蝶閥安裝設(shè)計(jì)是使用方形螺絲，螺母及華司所組成。kongf.comThe mother of nylon lock, metal lock master, K cap, hex nut, cap-shaped, butterfly hats and all kinds of washers, retaining rings, pins and so on.尼龍鎖緊母、金屬鎖緊母、K帽、六角螺母、蓋帽形、蝶形帽及各式墊圈、擋圈、銷類等。 返回 butterfly nut