<SPAN lang=ZH style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH; mso-bidi-language: AR-SA; mso-font-kerning: 1.0pt">手板钻，双簧板钻，手摇钻在各种大型钢铁工程（如铁路，桥梁，船舶制造等），无法使用钻床或电钻时，用来钻孔。钻孔直径小于</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt">40mm</SPAN><SPAN lang=ZH style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH; mso-bidi-language: AR-SA; mso-font-kerning: 1.0pt">。</SPAN>