单轮式曳引机 single wheel tractor

单轮式前轮 single front wheel

单轮钩式滑车 single-wheel pulley ; wheel pulley

单排式汽轮机 single-plane turbine ; single level steam turbine

单流式涡轮机 single-flow turbine ; single pass turbine

单轮旋转式开沟机 monowheel rotary ditcher

简单涡轮式混合器 simple turbine type mixer

单级式汽轮机 single-level steam turbine

轮式单斗挖土机 wheeled shovel

单侧板式叶轮 single shrouded impeller