joist
joist是什么意思，
joist怎么讀
語音:
英音
[d???st]
美音 [d???st]
n. 托梁
復數： joists
joist 托梁
來自古法語giste,橋梁支撐梁，托梁，來自拉丁語iacere,扔，投擲，引申詞義躺，擱，詞源同gist,jet,gist.
用作名詞(n.)
- The floor joist was cracked and fractured, but no debris was deposited in the basement.
地板托梁破裂折斷，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.
通過預應力吊桿將樓面荷載轉移到托梁上，安全地實現托梁拔柱的目的。