挤压及磨滑

<b style="line-height: 24px; font-family: Arial, Helvetica, sans-serif; "><span style="font-size: 10.5pt; font-family: 宋体; ">挥拍力向前<span style="color: blue; ">上冲</span>，薄擦球面位上中， 越薄越转成弧圈，擦面要宽力加重。</span></b>

<span style="color: rgb(85, 85, 85); font-size: small; line-height: 19px; ">海绵：首先看海绵外观是否有明显的空洞或有杂质</span>

<span style="font-family: Arial, Helvetica, sans-serif; line-height: 24px; ">大家要努力了啊！加劲！</span>

<span style="font-family: Arial, Helvetica, sans-serif; line-height: 25.71428680419922px; ">发球技术；正反手上旋、下旋球练习；</span>

<span style="font-family: Arial, Helvetica, sans-serif; line-height: 25.71428680419922px; ">许昕锁定胜局，11-8结束战斗，以3-0横扫郝帅。</span>

<b style="line-height: 25.71428680419922px; font-family: Arial, Helvetica, sans-serif; "><span style="font-size: 10.5pt; font-family: 宋体; ">前臂搁腹臂贴胸</span></b>

<b style="line-height: 25.71428680419922px; font-family: Arial, Helvetica, sans-serif; ">持拍手大小臂放松。小臂向上，拍面向内45度。抛球，小臂稍微向上、向前</b><b style="line-height: 25.71428680419922px; font-family: Arial, Helvetica, sans-serif; ">用球拍的中部打击球的中上部</b>

<b style="line-height: 25.71428680419922px; font-family: Arial, Helvetica, sans-serif; ">持拍手大小臂放松。小臂向上，拍面向内45度。抛球，小臂稍微向上、向前</b><b style="line-height: 25.71428680419922px; font-family: Arial, Helvetica, sans-serif; ">用球拍的中部打击球的中上部</b>

<span style="font-family: Arial, Helvetica, sans-serif; line-height: 25.71428680419922px; ">&nbsp;把重量超过100kg的赛璐珞原料，切割成厚度为0.8mm的赛璐珞薄片</span>

<span style="font-family: Arial, Helvetica, sans-serif; line-height: 25.71428680419922px; ">&nbsp;把重量超过100kg的赛璐珞原料，切割成厚度为0.8mm的赛璐珞薄片</span>