On a ship crane，the load chart relates the allowable load to the combination of boom length and（）.<br>A:boom angle<br>B:boom strength<br>C:load radius<br>D:cable strength

On a ship crane，the load chart relates the allowable load to the combination of boom length and（）.
A:boom angle
B:boom strength
C:load radius
D:cable strength

出自：海船船员证

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