annular wire

基本解释

The utility model relates to a pull wire annular tube formed by helical coiling of double steel bars.
一种拉线套管，该套管由双钢条螺旋绕制而成。
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Air enters the desiccator through an annular inlet channel, which is covered by a strip of Polytetrafluorethylene PTFE coated wire mesh to prevent the ingress of rain, dust, insects, etc.
空气进入干燥器之后需通过环形通道，环形通道采用聚四氟乙烯涂层，防止雨水、灰尘和昆虫等进入。
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Steel wire springs are fixed on a plurality of annular isolated concave grooves, and concave teeth are around the annular isolated concave grooves inside, and well contacted with the power plug.
钢丝弹簧固定在多条环型隔离凹槽上，内四周有凹齿，与电源插头接触好。
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