tracage怎么读
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- tracage法语什么意思：traçage 音标：[trasaʒ] 专业辞典 n.m. 【机械】（钳工）划线；放样：~optique投影放样 1. n.m 【矿】开拓 2.n.m. 【采】开拓，开拓井巷；煤房采掘[房柱式开采法] traçage m. 标绘；跟踪；示踪；追踪；定线；划线；选线；绘；描绘法；放样；做记号
