<p style="text-indent:21pt;" class="MsoNormal"><span style="font-family:Arial;letter-spacing:0.4pt;color:black;mso-bidi-font-size:10.5pt;mso-font-kerning:0pt;" lang="EN-US"><a href="http://www.duoweike.com/"><span style="font-family:宋体;font-size:9pt;mso-bidi-font-size:10.5pt;mso-ascii-font-family:arial;mso-hansi-font-family:Arial;" lang="EN-US"><span lang="EN-US">螺旋千斤顶</span></span></a></span><span style="font-family:宋体;letter-spacing:0.4pt;color:black;mso-bidi-font-size:10.5pt;mso-font-kerning:0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;">，也称为</span><span style="font-family:Arial;letter-spacing:0.4pt;color:black;mso-bidi-font-size:10.5pt;mso-font-kerning:0pt;" lang="EN-US"><a href="http://www.duoweike.com/"><span style="font-family:宋体;font-size:9pt;mso-bidi-font-size:10.5pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;" lang="EN-US"><span lang="EN-US">机械千斤顶，</span></span></a></span><span style="font-family:宋体;letter-spacing:0.4pt;color:black;mso-bidi-font-size:10.5pt;mso-font-kerning:0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;">螺旋千斤顶能长期支持重物，最大起重量已达</span><span style="font-family:Arial;letter-spacing:0.4pt;color:black;mso-bidi-font-size:10.5pt;mso-font-kerning:0pt;" lang="EN-US"> 100</span><span style="font-family:宋体;letter-spacing:0.4pt;color:black;mso-bidi-font-size:10.5pt;mso-font-kerning:0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;">吨，应用较广。</span><span style="font-family:宋体;color:#333333;mso-bidi-font-size:18.0pt;mso-font-kerning:0pt;mso-bidi-font-family:宋体;">（经销热线</span><span lang="EN-US">022-27412910</span><span class="15"><span style="color:black;mso-bidi-font-size:10.5pt;mso-bidi-font-family:Arial;" lang="EN-US">&nbsp;&nbsp;<span style="mso-spacerun:yes;">&nbsp; </span></span></span><span class="15"><span style="font-family:宋体;color:black;mso-bidi-font-size:10.5pt;mso-ascii-font-family:'timesnewroman';mso-hansi-font-family:'timesnewroman';mso-bidi-font-family:Arial;">兰小姐）</span></span><span style="font-family:Arial;letter-spacing:0.4pt;color:black;mso-bidi-font-size:10.5pt;mso-font-kerning:0pt;" lang="EN-US">QL<a href="http://www.duoweike.com/"><span style="font-family:宋体;font-size:9pt;mso-bidi-font-size:10.5pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;" lang="EN-US"><span lang="EN-US">天津千斤顶报价</span></span><span style="font-size:9pt;mso-bidi-font-size:10.5pt;">|</span><span style="font-family:宋体;font-size:9pt;mso-bidi-font-size:10.5pt;mso-ascii-font-family:arial;mso-hansi-font-family:Arial;" lang="EN-US"><span lang="EN-US">规格</span></span></a></span><span style="font-family:宋体;letter-spacing:0.4pt;color:black;mso-bidi-font-size:10.5pt;mso-font-kerning:0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial;">，螺旋千斤顶由人力通过螺旋副传动，螺杆或螺母套筒作为顶举件。普通螺旋千斤顶靠螺纹自锁作用支持重物，构造简单，但传动效率低，返程慢。自降螺旋千斤顶的螺纹无自锁作用，装有制动器。放松制动器，重物即可自行快速下降，缩短返程时间，但这种千斤顶构造较复杂。下部装上水平螺杆后，还能使重物作小距离横移。天津多维克千斤顶本着服务的理念，品质优价格低，是您放心的选择</span><span style="font-family:Arial;letter-spacing:0.4pt;color:red;mso-bidi-font-size:10.5pt;" lang="EN-US"><a href="http://www.youyaqianjinding.com/"><span style="font-size:9pt;mso-bidi-font-size:10.5pt;">www.youyaqianjinding.com</span></a></span><span style="font-family:Arial;letter-spacing:0.4pt;color:black;mso-bidi-font-size:10.5pt;" lang="EN-US"><?xml:namespace prefix = o /><o:p></o:p></span></p>