单项选择题
A. Wire rope B. Hemp rope C. Nylon rope D. Wooden rope
Wire rope should be greased （）when not in use.A. every ...
单项选择题Wire rope should be greased （）when not in use.
A. every half a month B. every month or two C. every half a year D. every year
Coil left-handed ropes （）.A. clockwiseB. anticlockwiseC...
单项选择题Coil left-handed ropes （）.
A. clockwise B. anticlockwise C. to the center D. to the left
Coil the right-handed ropes（）.A. to the rightB. to the ...
单项选择题Coil the right-handed ropes（）.
A. to the right B. to the left C. anticlockwise D. clockwise
