桥面净空的英文:
clearance above bridge floor

clearance是什么意思
n. 清除,清扫;清仓甩卖;空隙;放行证

  • take off clearance = clearance for take off
    起飞许可
  • The plane was given clearance to land.
    飞机被给予着陆的许可。
  • Clearance of this check could take a week.
    支票兑现可能需要一个星期。
bridge是什么意思
n. 桥,鼻梁,琴马,桥梁,电桥,下隔板,桥牌
v. 架桥于,用桥连结,跨越,横贯,

  • removable bridge
    可移动齿桥
  • immediate bridge
    立即齿桥
  • They are engineering a bridge.
    他们正在建造一座桥。
floor是什么意思
n. 地板,地面;基底;议员席;楼层
v. 铺地板;打倒;难倒

  • floor of the House
    英国议会中议员的座席|议员席
  • floor criterion
    最低额标准
  • The meeting room is in the third floor, sorry, the fourth floor.
    会议室在三楼,抱歉,是四楼。

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