Flotation collars are used to buoy space capsules that land in the sea.
漂浮套管用于使降落于海面的航天舱浮于海面。
Flotation collars are used to buoy space capsules that land in the SEA.
浮圈是用来当浮标，指示降落海上的太空舱。
The utility model relates to a fixed structure of a buoy and essentially comprises a space bean and a buoy socket.
一种浮标固定构造，其主要包含至少一个太空豆及一浮标插座。
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