Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/eed81b29a4b5102181591a4ff316e1e3.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 rahmen例句_rahmen英汉例句_rahmen双解例句_甲百汇小鸡词典
DK_4 side wall steel structure can be simplified as the plane vierendeel Rahmen of the rigid and elastic menbers under vertical loads. 在垂直载荷作用下，DK_4型地铁客车车体侧墙钢结构可简化为由刚性和弹性杆件组成的多孔空腹平面刚架结构。