缓和曲线自动绘制
automatic drawing of transition curve
自动绘制模型
Automatic Rendering model
自动计算绘制
auto calculation and drawing
自动控制的平底绘图仪
autocontrolled flat bed plotter
自动坐标绘制器
automatic coordinatograph
货车脱轨自动制动装置
automatic braking equipment at time of derailment of wagons
气动自动制袋充填包装机
pneumatic automatic bag forming-filling-packaging machine
自动制动器放气阀
automatic brake bleed valve