<p>朝天放线滑车特性：</p> <p><span style="font-size:10.5pt;font-family:宋体;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:'Times New Roman';mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;">可直、左、右三个方向使用，用在直线或左转、右转的转角杆放线。</span></p>