Builders must fasten down roofs of newly-built homes more securely.

建造工人必须把新建房屋的屋顶固定得更牢靠些。

柯林斯例句

The sailor had forgotten to fasten down the lifeboats on deck.

那个水手忘记把救生艇系在甲板上了.

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They are trying to fasten down the sense of this new term.

他们正试图确定这一新术语的意义.

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Fasten down the cover of Vibration Grinding Mill, press green start button of it.

盖紧振动磨的盖, 按振动磨的绿色启动按钮.

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