enveloping hourglass worm

短语词组

短语

• 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
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