1. Are you installing the watertight door? 你们在安装水密门吗？
2. They held up to 500 people and had watertight cabins for storage and comfortable cabins for the crew. 这些船只最多可容纳500人，而且有可供储存用的水密舱和舒适的船员舱。
3. Similar hose tests to be carried out for all windows, side lights, hatch covers, watertight doors, exits, erection closures and as elsewhere necessary. 相类似的冲水试验可以用到所有窗户，舷侧灯，舱盖，水密门，逃口，直立封闭处和其他需要的地方。
英英解释
adj.
1. not allowing water to pass in or out
2. without flaws or loopholes
