annular wire

基本解釋

The utility model relates to a pull wire annular tube formed by helical coiling of double steel bars.
一種拉線套管，該套管由雙鋼條螺旋繞制而成。
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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.
空氣進(jìn)入干燥器之后需通過環(huán)形通道，環(huán)形通道采用聚四氟乙烯涂層，防止雨水、灰塵和昆蟲等進(jìn)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.
鋼絲彈簧固定在多條環(huán)型隔離凹槽上，內(nèi)四周有凹齒，與電源插頭接觸好。
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