Cast steel hubs and heavy duty stub axles on rocker beam for more consistent grade control.

摇杆上的铸钢轮毂和重型轮轴控制以获得更可靠的均控制。

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Average type beam drill is composed of base, inside and outside column, rocker arm, main spindle box and job.

普通型摇臂钻床由底座、内外立柱、摇臂、主轴箱及工作组成。

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Average type beam drill is composed of base, inside and outside column, rocker arm, main spindle box and job.

普通型摇臂钻床由底座、内外立柱、摇臂、主轴箱及工作组成。

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