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Then it 's covered with spray-on bandage to keep it protected and watertight .

然后用喷涂绷带覆盖以保护设备并防水。

The case for investing in ships looked watertight in recent years .

在近些年，投资于船舶的理由似乎是无懈可击。

But the case for the prosecution is far from watertight .

但这些指控并不是无懈可击的。

When the trap door shuts , the plant excretes mucilage next to a special cuticle around the door , creating a watertight seal .

当陷阱阀门关闭的时候，植物在阀门周围的特殊角质层上分泌粘液，形成不透水密封垫。

Though titanic had advanced safety features such as watertight compartments and remotely activated watertight doors , she lacked enough lifeboats to accommodate all of those aboard .

尽管泰坦尼克号上有高级的安全设施，例如防水箱和远程激活水密门，但是没有足够的救生艇去容纳船上的那些人。