Based on the inspection and analysis to the imported wear resisting components, the cutting blade and end bit of model D9L bulldozer were made using air cooled cast steel.
在检测分析进口抗磨件基础上，采用空冷贝氏体铸钢制造了D9L推土机铲刃、铲角。
Besides, gas charging device could be used to inspect pressure, but gas will be discharged a bit during each inspection.
此外，还可以利用充气工具检查压力，但每检查一次都会放掉一点气体。
Besides, gas charging device could be used to inspect pressure, but gas will be discharged a bit during each inspection.
此外，还可以利用充气工具检查压力，但每检查一次都会放掉一点气体。
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