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单选题
The load chart of a ship 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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单选题On a ship’s crane，the load chart relates the allowable load to the combination of the boom length and（）.A
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boom strengthC
load radiusD
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HASB
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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 requiredB
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boom strengthC
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