道渣 meaning in English
ballast
metal
Examples
- Road slag stone railway , road debris , processing and marketing
铁路专用道渣石、公路石渣、加工、销售。 - Wood . tool handles . handles of pebble and ballast forks , sleeve type
木材.工具柄.带插筒的石子或道渣叉柄 - Wood . tool handles . handles of pebble and ballast forks , tongue type
木材.工具柄.带曲柄颈的石子或道渣叉柄 - Fixed railway installations . track service and maintenance tools . ballast grate
铁路固定设备.铁轨使用和维护用工具.道渣护栅 - Another is the discrete model . considering the interaction between the sleeper and the sleeper support , it can be modeled as discrete model
另一种为离散化模型；考虑枕木与枕木支撑? ?道渣道床相互间的作用，将系统简化为离散化模型。