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图像和嵌入式视频之间存在差距。移动视图中没有问题。水平图像和嵌入视频之间的差距
<div class="section">
<div class="container-fluid">
<div class="row">
<div class="col-sm-6"><div class="embed-responsive embed-responsive-16by9">
<img class="embed-responsive-item" width="600px" height="360" src="images\phone.jpg"/> </div>
</div>
<div class="col-sm-6">
<div class="embed-responsive embed-responsive-16by9"><iframe width="560" height="315" class="embed-responsive-item" src="https://www.youtube.com/embed/_k4SA"></iframe>
</div>
</div>
</div>
</div>
</div>
请提供[**最小,完整的,并且可验证示例**](http://stackoverflow.com/help/mcve)。 – Ricky
[如何删除内联块元素之间的空间?]的可能的副本(http://stackoverflow.com/questions/5078239/how-to-remove-the-space-between-inline-block-elements) – Aswin