enveloping hourglass worm
短语词组
- planar enveloping hourglass worm 平面包络环面蜗杆
- plane enveloping hourglass worm 平面包络环面蜗杆
- double enveloping hourglass worm gearing 平面二次包络环面蜗杆
- planar enveloping hourglass worm gear 平面包络环面蜗杆
- Planar Enveloping Hourglass Worm Gearing 平面包络环面蜗杆传动
- The double -enveloping hourglass worm gearing 平面二次包络环面蜗杆传动
- plane re -enveloping hourglass worm gearing 平面二次包络环面蜗杆传动
- Double -enveloping hourglass worm gearing 二次包络环面蜗杆传动 返回 enveloping hourglass worm