to apply spirally 螺旋式绕包
spirally-wound tube panel 水平围绕管屏
spirally reinforced column 配螺旋钢箍筋柱 ; 螺旋箍柱
spirally corrugated tube 螺纹烟管 ; 罗纹烟管
Spirally Submerged Arc Welding 螺旋缝埋弧焊管
wire spirally-wound hose 钢丝缠绕胶管
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