Funnel drilling machine has following functions such as spiral excavating soil directly in the hole, piercing through cobble stone and weathering strongly rock layer, if matching hidden hole hammer of automobile and complete set tube, drilling machine can embed in the rock layer.
钻斗钻机具有孔内直接旋挖取土、快速穿越卵石土层和强风化岩层的功能,配上汽车潜孔锤和全套管跟进,可快速嵌入岩层。
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