heavy line
短语词组
- heavy ice line 重冰线路
- heavy -haul line 重载线路
- heavy seeding shear line 重型剪切机作业线
- heavy coil continuous line 大盘重连续线
- heavy haul railway line 重载线路
- heavy rod rolling line 大盘条生产线
- heavy traffic trunk line 繁忙干线
- heavy los s line 重损线路
- heavy hanging wall line 粗实线 返回 heavy line