water tight短语¹⁴⁴⁹⁷²⁺² 基本英英例句 水密的,水密 形容词 watertight: not allowing water to pass in or outwithout flaws or loopholes The water tight said. 水儿紧张地说。163 When welding is required, all welds are subject to leak test to ensure the washer is water tight. 当需要焊接时,所有的焊接需进行泄漏测试,以确保清洗机没有任何漏水处。 www.e-gtm.com.cn