Shift, internal injury, breaking, bad imbedded in rock, as well as short anchorage distance etc.
无桩尖管桩锤打过程易造成管桩移位、内伤、断桩、嵌岩差、持力层锚固长度小。
Simultaneously, as the moving tracks of the movable contact are the same, the maximum contact distance can be reached no matter when in breaking or in repulsion.
同时,由于动触头的运动轨迹都是一样的,不管是在分闸时还是在斥开时,都可以达到最大开距。
Simultaneously, as the moving tracks of the movable contact are the same, the maximum contact distance can be reached no matter when in breaking or in repulsion.
同时,由于动触头的运动轨迹都是一样的,不管是在分闸时还是在斥开时,都可以达到最大开距。
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