在CDT规约中,对变位遥信的处理采用()。
A.定时传送
B.循环传送
C.插入传送
D.广播传送
参考答案:C
A.a为动滑轮,B端钢缆受到滑轮组的拉力大小约为3G
B.a为动滑轮,B端钢缆受到滑轮组的拉力大小约为G
C.a、c为动滑轮,B端钢缆受到滑轮组的拉力大小约为3G
D.a、c为动滑轮,B端钢缆受到滑轮组的拉力大小约为G
The()provides a rapid means of tallying when items of the same commodity are being loaded or unloaded in uniform drafts consisting of an equal number of pieces.
A.unit method
B.block method
C.straight method
D.package method