casing salvaging
... casing running 下套管 casing salvaging 套管修补 casing scraper 套管清刮器 ...
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铅封式套管修补器 lead seal casing patch
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热缩护套管具有良好的绝缘性和抗开裂性，主要用于电缆的外保护层的修补和电缆中间连接的外层保护。
Heat shrink protection cover tube has good insulation and ruptuing resistance . It suitable for mend of cable out-layer protection and outlay protection of intermediate connecting .
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