常見例句雙語例句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。ip.comAir 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、灰塵和昆蟲等進入。www.e-gtm.com.cnSteel 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, 內四周有凹齒,與電源插頭接觸好。ip.com 返回 annular wire