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Ｐ＿（６２）型棚车顶板腐蚀严重铁道部驻石家庄车辆工厂验收室岳彦民Ｐ＿（６２）型棚车在厂修时，因顶板严重腐蚀过限，需要更换新顶板的情况很多。据不完全统计，１９９２年石家庄车辆工厂检修的２０５１辆Ｐ＿（６２）型棚车中，就有１４６辆车因顶板腐蚀过限更换了顶...
Corrosion of P_ (62) type roof box is serious. The acceptance of Yueyang People’s P_ (62) box factory in Shijiazhuang was due to severe roof corrosion and the need to replace the new roof. According to incomplete statistics, in 1992, Shijiazhuang vehicle factory overhaul 2051 P_ (62) type box car, there are 146 cars due to the roof corrosion over the replacement of the top ...