<iframe height=498 width=510 src='https://player.youku.com/embed/XMzM3MzYyOTczNg==' frameborder=0 'allowfullscreen'></iframe>
1放置橡皮障夹
<iframe height=498 width=510 src='https://player.youku.com/embed/XMzM3MzYyOTc1Mg==' frameborder=0 'allowfullscreen'></iframe>
2设置橡皮障