The waters have frozen over, stranding many cargo ships waiting to sail into Yingkou Port, but a fleet of tugboats is clearing the way.
水结冰了，使许多等待驶入营口港的货船搁浅，但是一队拖船正在清理道路。
It mainly introduces the characteristics and functions of the silo clearing machine for Dayaowan bulk grain berth of Dalian Port.
主要介绍大连港大窑湾散粮码头清舱机的特点及性能。
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