Which tackle arrangement has the LEAST mechanical advantage().
A、Single whip
B、Gun tackle
C、Luff tackle
D、Twofold purchase
A、Single whip
B、Gun tackle
C、Luff tackle
D、Twofold purchase
A、Taking delivery of the goods from the carrier B、Packing the goods for export C、Arranging export customs clearance D、Arranging import customs clearance
A、Taking delivery of the goods from the carrier B、Packing the goods for export C、Arranging export customs clearance D、Arranging import customs clearance
A、A.Taking delivery of the goods from the carrier B、B.Packing the goods for export C、C.Arranging export customs clearance D、D.Arranging import customs clearance