家里换线不用愁，选对线芯最重要。电线过粗浪费钱，线芯过细不安全。#关注我每天坚持分享知识 #每天学习一点点 #零基础学电工

TIP! Right-click and select "Save link as..." to download.

VIDEOS
MP4	N/A	480P	Download
MP4	N/A	360P	Download
AUDIO
MP4	N/A	mp4a.40.2	Download
MP4	N/A	mp4a.40.5	Download
MP4	N/A	mp4a.40.2	Download
THUMBNAILS
	JPEG	Origin Image	Download