拨道 meaning in Chinese

track lining
◇拨道杆 track liner; 拨道机 track lining machine; 拨道器 trackshifter

General technical specification for hydraulic track lifting and lining tool
液压起拨道器通用技术条件
Abstract : in detailed description are the servo system principle for lining operation by 08 32 tamping machine and the approach for straight line automatic lining with laser technique
文摘:着重介绍大型养路机械08 32型捣固车拨道作业伺服系统的原理和利用激光技术实现直线自动拨道的方法。