信封被放进了装白绳的口袋。
装于帆桁中央两侧的索具:能滑动的绳圈或链子,用来把帆桁或缆索拴在船桅上,使之仍可以随意升降。
A sliding loop of rope or chain by which a running yard or gaff is connected to, while still being able to move vertically along, the mast.
在20尺柜的托盘负载能力内,能装多少吨的钢绳?
How much Tons of wire can be loaded inside a 20 "container, in the scope of pallets' loading capacity?"
应用推荐