巴士海峡以西海区沉积物较粗，常含砂岩块和砾石；

The channel is filled with noncompactible sand, or with sand and gravel.

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巴士海峡以西海区沉积物较粗，常含砂岩块和砾石；

The channel is filled with noncompactible sand, or with sand and gravel.

youdao