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A water pump for filling water into or draining water from the buoyancy compartment is arranged in the floating dock box.
浮坞箱中有用于向浮力舱内充水或排水的水泵。
youdao
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A water pump for filling water into or draining water from the buoyancy compartment is arranged in the floating dock box.
浮坞箱中有用于向浮力舱内充水或排水的水泵。
youdao