• 用来浮标指示降落海上太空舱

    Flotation collars are used to buoy space capsules that land in the SEA.

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  • 指示可以经历化学反应改变颜色或者翻转显示具有不同颜色的侧面浮标

    The indicator may be a disk that undergoes a chemical reaction to change color or a float that flips over to reveal a side having a different color.

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  • 他用浮标指示沉船处

    He buoyed the wreck.

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  • 他用浮标指示沉船处

    He buoyed the wreck.

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