旋臂

旋臂 [xuán bì]

1. ■ {天} spiral arms; jib; radial arm

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常用词组

1. ■ 旋臂吊车 whirley crane; whirley;

2. ■ 旋臂试验 rotating arm experiment;

3. ■ 旋臂星族 arm population;

4. ■ 旋臂钻床 drilling machine with jointed arm; radial arm boring machine;

5. ■ 旋臂装货机 jib loader