摘要：<p> <iframe style="width:500px;height:500px;" src="//player.bilibili.com/player.html?isOutside=true&aid=114640780525724&bvid=BV1BjTLzGE1t&cid=30366892413&p=1" scrolling="no" border="0" frameborder="no" framespacing="0" allowfullscreen="true"> </iframe> </p> <p> <br /> </p> <p> <iframe style="width:500px;height:500px;" src="//player.bilibili.com/player.html?isOutside=true&aid=114651903822449&bvid=BV1m4TazzEkZ&cid=30400710616&p=1" scrolling="no" border="0" frameborder="no" framespacing="0" allowfullscreen="true"> </iframe> </p> <p style="box-sizing:border-box;margin-top:0px;margin-bottom:10px;padding:0px;list-style-type:none;color:#444444;font-family:&quot;Microsoft YaHei&quot;, Arial, sans-serif;text-wrap-mode:wrap;background-color:#FFFFFF;"> <br /> </p> <p style="box-sizing:border-box;margin-top:0px;margin-bottom:10px;padding:0px;list-style-type:none;color:#444444;font-family:&quot;Microsoft YaHei&quot;, Arial, sans-serif;text-wrap-mode:wrap;background-color:#FFFFFF;"> <span style="font-size:14px;"><br /> </span> </p> <p style="box-sizing:border-box;margin-top:0px;margin-bottom:10px;padding:0px;list-style-type:none;color:#444444;font-family:&quot;Microsoft YaHei&quot;, Arial, sans-serif;text-wrap-mode:wrap;background-color:#FFFFFF;"> <span style="font-size:14px;"><br /> </span> </p> <p style="box-sizing:border-box;margin-top:0px;margin-bottom:10px;padding:0px;list-style-type:none;color:#444444;font-family:&quot;Microsoft YaHei&quot;, Arial, sans-serif;text-wrap-mode:wrap;background-color:#FFFFFF;"> <span style="font-size:14px;">汽車行業螺栓預緊力標定測試操作步驟：</span><br style="box-sizing:border-box;margin:0px;padding:0px;list-style-type:none;" /> <span style="font-size:14px;">所需檢測設備：1.美國MCI超聲波軸力測試儀&nbsp;</span> </p> <p style="box-sizing:border-box;margin-top:0px;margin-bottom:10px;padding:0px;list-style-type:none;color:#444444;font-family:&quot;Microsoft YaHei&quot;, Arial, sans-serif;text-wrap-mode:wrap;background-color:#FFFFFF;"> <span style="font-size:14px;">&nbsp; 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