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发动机冷却液泡沫倾向测定法(玻璃器皿法)
Standard test method for foaming tendencies of engine coolants in glassware
价格：￥0.00
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发动机冷却液及其浓缩液密度或相对密度测定法(密度计法)
Standard test method for density or relative density of coolant concentrates and engine coolants by the hydrometer
价格：￥0.00
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城市公共交通车辆修理技术条件 无轨电车
Technical specification for urban transit cars being overhauld—Trolleybuses
价格：￥0.00
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城市无轨电车和有轨电车供电系统
Power supply system for urban trolleybus and tramway
价格：￥0.00
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