单词

字典词典单词成语造句名言诗词古籍小说

petcock

英 ['petkɒk] 美 ['pɛt,kɑk]

n. 小活栓；小龙头；扭塞

双语例句

1. The doctor shut off the petcock.: 医生关掉小活栓.

2. This petcock is suitable to connect the rubber pipes with the inside diameter of 6 mm.: 该小活栓适用于连接内径为6mm的橡胶管.