A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: " times="" new="" roman";="" mso-hansi-font-family:="" "times="" mso-bidi-font-family:="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="">±</span><chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="15" unitname="cm"> <span style="FONT-FAMILY: " times="" new="" roman","serif";="" font-size:="" 12pt;="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-fareast-font-family:="" 宋体"="" lang="EN-US">15cm</span> </chmetcnv>
B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: " times="" new="" roman";="" mso-hansi-font-family:="" "times="" mso-bidi-font-family:="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="">±</span><chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="20" unitname="cm"> <span style="FONT-FAMILY: " times="" new="" roman","serif";="" font-size:="" 12pt;="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-fareast-font-family:="" 宋体"="" lang="EN-US">20cm</span> </chmetcnv>
C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: " times="" new="" roman";="" mso-hansi-font-family:="" "times="" mso-bidi-font-family:="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="">±</span><chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="25" unitname="cm"> <span style="FONT-FAMILY: " times="" new="" roman","serif";="" font-size:="" 12pt;="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-fareast-font-family:="" 宋体"="" lang="EN-US">25cm</span> </chmetcnv>
D、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: " times="" new="" roman";="" mso-hansi-font-family:="" "times="" mso-bidi-font-family:="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa"="">±</span><chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="30" unitname="cm"> <span style="FONT-FAMILY: " times="" new="" roman","serif";="" font-size:="" 12pt;="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-fareast-font-family:="" 宋体"="" lang="EN-US">30cm</span> </chmetcnv>