WG-90A油圧掘削リグ

WG-90A油圧掘削リグは、雲南Zhaotongにある世界最大の水力発電所プロジェクトであるJinshajiang Baihetan Water Conservancy and Hydropower Projectで使用されています。掘削深度は3メートル、穴の直径は90mmです。穴の建設操作を爆破するために使用されます。
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