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桁式钢质拦栅
meaning in English
trussed steel joist
Related Words
拦球
桁条
脊桁
舭桁
转桁
相当桁
底桁
桁材高度
间断纵桁
格构桁
桁式
桁式钢质栏栅
桁式木拱架
桁式摇臂钻床
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