2 gears high efficiency concrete core drilling machine

#detail_decorate_root .magic-0{border-bottom-style:solid;border-bottom-color:#bbb;font-family:Roboto;font-size:24px;color:#000;background-color:#bbb;font-style:normal;border-bottom-width:2px;padding-top:8px;padding-bottom:4px}#detail_decorate_root .magic-1{vertical-align:top}#detail_decorate_root .magic-2{vertical-align:top;display:block;padding-right:4px;box-sizing:border-box;padding-left:4px}#detail_decorate_root .magic-3{vertical-align:top;padding-bottom:4px;box-sizing:border-box;padding-top:4px}#detail_decorate_root .magic-4{padding:0;margin:0;white-space:pre-wrap;font-size:14px}#detail_decorate_root .magic-5{vertical-align:top;display:inline-block;padding-right:4px;width:50%;box-sizing:border-box;margin-bottom:-4px;padding-left:0;margin-top:-4px}#detail_decorate_root .magic-6{width:371px;height:371px;overflow:hidden}#detail_decorate_root .magic-7{position:relative;left:0;top:0;width:371px;height:371px}#detail_decorate_root .magic-8{vertical-align:top;display:inline-block;padding-right:4px;width:50%;box-sizing:border-box;margin-bottom:-4px;padding-left:0;margin-top:-4px;margin-left:-3px}#detail_decorate_root .magic-9{width:364px;border-collapse:collapse}#detail_decorate_root .magic-10{min-height:18px;padding:5px 10px;width:100px;min-height:18px;box-sizing:content-box}#detail_decorate_root .magic-11{min-height:18px;padding:5px 10px;width:223px;min-height:18px;box-sizing:content-box}#detail_decorate_root .magic-12{margin-bottom:10px;line-height:0}#detail_decorate_root .magic-13{width:750px;height:750px;overflow:hidden;margin-bottom:0}#detail_decorate_root .magic-14{position:relative;left:0;top:0;width:750px;height:750px}#detail_decorate_root .magic-15{width:750px;height:499.21874999999994px;overflow:hidden;margin-bottom:0}#detail_decorate_root .magic-16{position:relative;left:0;top:0;width:750px;height:499.21875px}#detail_decorate_root .magic-17{width:750px}#detail_decorate_root .magic-18{width:300px;display:flex;flex-direction:column;margin-right:4px;margin-left:0}#detail_decorate_root .magic-19{box-sizing:border-box;margin:0;padding:0;color:#2e3033;font-family:Arial,’Microsoft YaHei’,’5FAE软雅黑’,’5B8B体’,’Malgun Gothic’,Meiryo,sans-serif;font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:14px;orphans:auto;text-align:start;text-indent:0;text-transform:none;white-space:normal;widows:auto;word-spacing:0;-webkit-text-stroke-width:0;background-color:#fff}#detail_decorate_root .magic-20{box-sizing:border-box;margin:0 0 10px;padding:0;list-style:none}#detail_decorate_root .magic-21{box-sizing:border-box;margin:0;padding:0;font-size:14px;color:#666;line-height:20px}#detail_decorate_root .magic-22{width:446px}#detail_decorate_root .magic-23{overflow:hidden;width:446px;height:446px;margin-top:0;margin-bottom:0;margin-left:0;margin-right:0}#detail_decorate_root .magic-24{margin-top:0;margin-left:0;width:446px;height:446px}#detail_decorate_root .magic-25{overflow:hidden;width:750px;height:533px;margin-top:0;margin-bottom:4px;margin-left:0;margin-right:0}#detail_decorate_root .magic-26{margin-top:0;margin-left:0;width:750px;height:533px}#detail_decorate_root .magic-27{overflow:hidden;width:247.33333333333334px;height:329.77777777777777px;margin-top:0;margin-bottom:0;margin-left:0;margin-right:0}#detail_decorate_root .magic-28{margin-top:0;margin-left:0;width:247px;height:329px}#detail_decorate_root .magic-29{overflow:hidden;width:247.33333333333334px;height:329.44399460188936px;margin-top:0;margin-bottom:0;margin-left:4px;margin-right:0}#detail_decorate_root .magic-30{text-align:center}#detail_decorate_root .magic-31{overflow:hidden;width:446px;height:344.9066666666667px;margin-top:0;margin-bottom:0;margin-left:0;margin-right:0}#detail_decorate_root .magic-32{margin-top:0;margin-left:0;width:446px;height:344.90666666666664px}#detail_decorate_root .magic-33{overflow:hidden;width:750px;height:260px;margin-top:0;margin-bottom:0;margin-left:0;margin-right:0}#detail_decorate_root .magic-34{margin-top:0;margin-left:0;width:750px;height:260px}