A、vertical position
B、horizontal position
C、boom stop angle
D、minimum radius angle
更多“0n a crane ,the boom indicator tells the operator what angle the boom angle is compared to the（）.”相关的问题
A、length of the boom B、angle of the boom C、lifting capacity of the boom D、direction of the boom
A、is the S.W.L.of the crane B、are the S.W.L. of the crane C、the S.W.L. of the crane is D、the S.W.L. of the crane are
A、Stopping the boom B、Topping or lowering the boom C、Moving the boom left or right D、All of the above
A、prevent the boom from being raised too high B、prevent the boom from swinging C、support the boom when not in use D、prevent the boom from being lowered
A、being raised too high B、swinging at sea C、overloading when not in use D、being lowered too low
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