The GB/T 12706-2002 adjusts the thickness of armouring steel tape of power cable,and the thickness of corresponding protective jacket changes too,and material usage reduces correspondingly.是什么意思_The GB/T 12706-2002 adjusts the thickness of armouring steel tape of power cable,and the thickness of corresponding protective jacket changes too,and material usage reduces correspondingly.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句