Chinese translation for "自保护管"

self protected tube

Similar Words：

"自保电路" Chinese translation, "自保公司" Chinese translation, "自保护" Chinese translation, "自保护的" Chinese translation, "自保护电弧焊" Chinese translation, "自保护焊接" Chinese translation, "自保护焊丝" Chinese translation, "自保护式变压器" Chinese translation, "自保护药芯焊丝电弧焊" Chinese translation, "自保基金" Chinese translation