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状分别为矩、落煤管起拱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.

本发明及刷机，具体为一种可自动对版高速刷机。

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

在此期间检测到铺设在白纸下薄铁片，并同时发出声光指示信息，实时存储、显示在“直道区”检测到薄铁片数目。