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在我国运用的进口货车中,有一些车辆装用D_1轮转向架(D_1轮直径为950毫米)。这些车辆已经使用多年,在入厂检修过程中经常发现拱板式转向架下拱板腐蚀过限,弯
Some of the imported trucks used in our country are equipped with a D_1 bogie (diameter of wheel D_1 is 950 mm). These vehicles have been used for many years, often found in the overhaul inspection process arch plate bogie corrosion under the limit, curved