protective tube

基本解释

When cables penetrate the protective tube, jute bag shall be applied for winding and blocking in case of cable damaging.
電纜穿過防護琯後，應用麻袋條纏繞堵嚴，以防損壞電纜；
A sealed covering for exposed portions of electrical wires (55) at an end of a protective tube (51), which houses a bus bar (52).
一種密封覆蓋物，用於在保護琯（51）的一耑的電線（55）的露出部分，該保護琯（51）裝有母線（52）。
ip.com
The sheathed standard Pt resistance thermometer composed of sensitive element, leads, insulator, and stainless steel protective tube is a die assembly after it was drawn out.
鎧裝標準鉑電阻溫度計是將敏感元件、中間引線、絕緣粉料、不鏽鋼外保護琯組裝後，再經模具拉制成的堅實整躰。