底管的英文：
floor tubes
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。 - Lay the floor with a carpet. [Lay a carpet on the floor.]
把地毯铺在地板上。 - Strew papers over the floor/strew the floor with papers
把文件扔得满地都是.
n. 管子；软管；内胎；地铁；电视
v.把…装管；把…弄成管状；用管输送；乘地铁；不及格
- The tubes are individually connected in order to the tubes of a multiple manometer
这些总压管依次分别连接到一个多管压力计的各个管子上。 - darcy impact pressure tube
达喂力管 - inner core tube
内倒望远镜 - In London, the use of the Tube has ballooned.
在伦敦，坐地铁的人激增。 - The tubing needs to be jacketed.
管道系统需要装护套。
