单选题The load chart of a crane enables the operator to combine the load radius with boom length to determine the（）.Amaximum counter weight requiredBminimum horsepower requiredChoist rope strengthDallowable load
单选题
The load chart of a crane enables the operator to combine the load radius with boom length to determine the（）.
A
maximum counter weight required
B
minimum horsepower required
C
hoist rope strength
D
allowable load
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