本系列机床用于拉削各种几何形状的孔，生产效率高，适于大量生产和成批生产。
These machines are designed for broaching holes of various geometrical forms in mass and batch production with high efficiency.
本系列机床用于拉削各种几何形状的孔，生产效率高，适于大量生产和成批生产。
These machines are designed for broaching holes of various geometrical forms in mass and batch production with high efficiency.
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