repairing, inspecting and lifting ladders
【建筑】安装在底盘上的梯子
ladders mounted on UNDERCARRIAGES
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相关词条
vehicle with mounted ladders
device for attaching jet-pipe to ladders, poles, towers for fire-fighting
inspecting and lifting ladders
SAFETY appliances attached to ladders
ladders mounted on TROLLEYS
ROPE(S) ladders
preventing SKIDDING of ladders