Flexible insulating sleeving - Part 3: specifications for individual types of sleeving - Sheets 240 to 243 : heat-shrinkable PTFE sleeving.是什么意思_Flexible insulating sleeving - Part 3: specifications for individual types of sleeving - Sheets 240 to 243 : heat-shrinkable PTFE sleeving.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句