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单词
I-beam
释义
I-beam
AHD
[īʹbēm']
D.J.
[ˈaɪˌbiːm]
K.K.
[ˈaɪˌbim]
n.
(名词)
A steel joist or girder with short flanges and a cross section formed like the letter I.
I形金属横梁,工字梁:由短翼缘和一个十字部分做成象字母 I的钢制托梁或主梁
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更新时间:2026/5/18 5:13:16