例句 /

Hence, large, long, and complex-shaped parts must be properly supported at critical positions to avoid sagging or preferably are hung with the long axis on the vertical.

Hence, large, long, and complex-shaped parts must be properly supported at critical positions to avoid sagging or preferably are hung with the long axis on the vertical.

因此,对尺寸大,长度大,形状复杂的部件,必须正确支撑其关键位置,以防产生弧垂,也可以将其长轴竖直悬挂。