高清自拍亚洲精品二区丨亚洲综合制服丝袜另类丨又湿又紧又大又爽a视频国产丨国产真实乱子伦清晰对白丨人妻少妇久久精品公交车

看a免费一区,国产精品国语刺激对白,中文字字幕国产精品

PRODUCT

●aluminum copper pole

The product is specially designed for the large aluminum shell core cover plate, and is produced by special process., of which the copper core part is used for welding or riveting of copper foil inside the shell, and?exposed part is of pure aluminum, and the shell PACK no?friction welding?needed. It can effectively reduce the investment?of factory welding equipment.

according to designed?current requirements. Once the individual core is abnormal, aluminum strip will?instantly burnout to?protect the battery pack.