joist
joist是什么意思，
joist怎么读
语音:
英音
[dʒɒɪst]
美音 [dʒɒɪst]
n. 托梁
复数： joists
joist 托梁
来自古法语giste,桥梁支撑梁，托梁，来自拉丁语iacere,扔，投掷，引申词义躺，搁，词源同gist,jet,gist.
用作名词(n.)
- The floor joist was cracked and fractured, but no debris was deposited in the basement.
地板托梁破裂折断，但是在地下室并未落下碎片。 - The purpose of transferring loads to the joist and wiping out the columns can be achieved safely.
通过预应力吊杆将楼面荷载转移到托梁上，安全地实现托梁拔柱的目的。