| 释义 |
1 ?螺纹管 ... screw tube 螺纹管 screw tuner 螺旋式调谐器 screw valve 螺旋阀 ... 2 ?螺旋管 ... 螺旋钢管 Spiral steel pipe 螺旋管 screw tube 螺旋焊接钢管 Spiral welded pipe ...
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Single-motor construction, simple screw tube design, few operating. - 2
Single-motor construction, simp, e screw tube design, few operating parts. - 3
The inner tube is a light tube, a screw tube, an inner rib tube or a tube with a spoiler. 所述内管是光管、螺纹管、内肋管或带有扰流片的管子。
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