Hoisting test of engine room crane.

机舱行车吊重试验。

youdao

Lowering and hoisting test for life boat.

救生艇收放试验。

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Lifeboat (rescue boat) to be done lowering and hoisting test.

救生(助)艇收放试验。

youdao

Lifeboat (rescue boat) to be done lowering and hoisting test.

救生(助)艇收放试验。

youdao