It gives out that the bench slice height should use maxinum value when excavation viscous materials, the bucket-arm slope angle should use minimum value when excavating no-coherent materials.是什么意思_It gives out that the bench slice height should use maxinum value when excavation viscous materials, the bucket-arm slope angle should use minimum value when excavating no-coherent materials.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句