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图面簡单说明图1是纵断面侧視图、图2是横断面正視图。专利的詳細說明本专利說明如何消除从凿岩机排气孔排出的气体的噪音,任意改变排气方向,从而提高凿岩机的生产能力。图中:1是凿岩机气缸,2是气缸
Brief Description of the Drawings Fig. 1 is a side view in longitudinal section and Fig. 2 is a front view in cross section. Patent Detailed Description This patent describes how to eliminate the noise of the gas discharged from the rock drill vent and change the venting direction arbitrarily to improve the productivity of rock drill. In the picture: 1 is the rock drill cylinder, 2 is the cylinder