The halyard typically rises from the head of the sail to a block at the head of the mast and back down to deck level, from where it is pulled up to raise the sail.
升降索通常从帆的前侧延伸到桅杆顶端,然后下降到甲板平面,在甲板上拉起升降索就能升起船帆。
To accommodate the expansion and contraction of the concrete deck, each column splits into two thinner, more flexible columns below the roadway, forming an A-frame above deck level.
为了应对混凝土桥面的伸缩,立柱自路面以下被分为两根外形更纤细、柔韧性更高的柱体,桥面以上形成一个A形框架。
To accommodate the expansion and contraction of the concrete deck, each column splits into two thinner, more flexible columns below the roadway, forming an A-frame above deck level.
为了应对混凝土桥面的伸缩,立柱自路面以下被分为两根外形更纤细、柔韧性更高的柱体,桥面以上形成一个A形框架。
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