Principle and Calculation of the Carvilinear Frictional Drive at the Convex Arc Segment of the Belt Conveyer是什么意思 Principle and Calculation of the Carvilinear Frictional Drive at the Convex Arc Segment of the Belt Conveyer怎么读
《Principle and Calculation of the Carvilinear Frictional Drive at the Convex Arc Segment of the Belt Conveyer是什么意思 Principle and Calculation of the Carvilinear Frictional Drive at the Convex Arc Segment of the Belt Conveyer怎么读-字典翻译》
