牵引梁的英文怎么说
牵引梁的英文：draft sill
draft是什么意思：
n. 草稿；草图；汇票；征兵，征集；通风装置；拉曳，牵引
v. 起草，设计；征（兵）；征集
[*]They drafted him to serve as their delegate.
他们选派他作他们的代表。[*]DFL (Draft Full Load)
满载吃水装载量 [*]They were unwilling to register for the draft.
他们不愿意登记入伍。[*]The boat has a shallow draft.
这条船吃水浅。[*]They were all a part of the drafting.
他们都参与了公约的起草过程。sill是什么意思：
n. 基石;基木;门槛;窗台
[*]Blown soil mounded on the window sill.
吹散的尘土堆积在窗台上。[*]There are no shortcuts to any place worth going. ——Beverly Sills
到任何值得去的地方都无捷径。[*]The sun in the west was a drop of burning gold that slid nearer and nearer the sill of the world.
西下的夕阳就象一滴燃烧着的金子，一点点滑向海平线。 [*]A projection on a cornice or sill that protects the area below from rainwater.
滴水槽飞檐或窗台上的突出部分，用于防止其下方受水淋湿[*]She sit with one elbow resting on the sill of the open window.
她坐在那儿，一只胳膊肘搁在开着窗的窗台上。
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