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Next try letting some pressure off the buoy and feel your hips and legs sink.
然后再试着减少浮漂的压力，让腿部下沉。
youdao
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How much pressure? Thicker section is it possible to occur sink mark?
压力有多大？厚的区域是否有可能出现缩水的现象？
youdao
-
How much pressure? Thicker section is it possible to occur sink mark?
压力有多大？厚的区域是否有可能出现缩水的现象？
youdao