... roller 压路机;滚筒 roof live load 屋面活载 roof load 屋顶荷载 ...
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短语
楼面、屋面活荷载
floor live load
;
roof live load
;
characteriseic value of live load on floor or roof
楼面、屋面活荷载组
combination value of live load on floor or roof
屋面活荷载
floor live load
-
roof live load
-
roof live load
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