Arched-corrugated metal roof( ACMR) belongs to cold-bending thinwall steel structure, of which the stability is a key factor influencing its bearing capacity.
金属拱型波纹屋顶结构属于冷弯薄壁构件，稳定问题是影响其承载能力的关键因素。
2
The bearing wallboard in general on the drawing thin lines or dotted lightweight and simple label, for the materials of wall, blame main wall general thinner, only do partition wall to use.
一般的承重墙体在图纸上细线或散布轻和简单的标签，材料的墙，非承重墙一般较薄，只有做隔断墙用。
3
The utility model not only can cast aluminum alloy pistons, but also can cast air cylinders, bearing housings or similar thin-wall parts.