Defend to pour,antiskid,defend to fall to be so called big pitch Cape and adopt greatly high adopt"three defend" of the coal work noodles,always the check and supervision wear the safe production of that type work noodles.This text discusses to adopt a noodles mounting alignment,incline to insulate a net,science reasonable to move and installs antiskid device and adopts the coal machine electric cable in detail to fall by oneself etc.technique,succeeded to resolve "three defend" problem,for carry out that t...

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