The influencing factors of coal arch camber in planomural coal bin and coal drop pipe with rectangular or circular cross section during coal drop are studied theoretically.

对落煤过程中平壁煤仓及截面形状矩形、圆形的落煤管起拱的影响因素进行理论研究。

The invention relates to a cambering printing machine, in particular to a high-speed cambering printing machine which can automatically proof the version.

本发明及曲面印刷机，具体一种可自动对版的高速曲面印刷机。

The electromobile goes into curve district when passing poiont B,and runs,along the camber line to point C.

间检测到铺设白纸下的薄铁片，并同时发出声光指示信息，实时存储、显示“直道区”检测到的薄铁片数目。