A、<span style="font-size:12.0pt;font-family:宋体;
mso-bidi-font-family:宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;
mso-bidi-language:AR-SA">管嘴长度<span lang="EN-US">=</span>（<span lang="EN-US">3</span>～<span lang="EN-US">4</span>）<span lang="EN-US">d</span>，<span lang="EN-US">H<sub>0</sub></span>＞<span lang="EN-US">9m </span></span><br>
B、<p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly"><span style="font-size:12.0pt;font-family:宋体;mso-bidi-font-family:宋体">管嘴长度<span lang="EN-US">=</span>（<span lang="EN-US">3</span>～<span lang="EN-US">4</span>）<span lang="EN-US">d</span>，<span lang="EN-US">H<sub>0</sub></span>≤<span lang="EN-US">9m<o:p></o:p></span></span></p>
C、<span style="font-size:12.0pt;font-family:宋体;
mso-bidi-font-family:宋体;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;
mso-bidi-language:AR-SA">管嘴长度＞（<span lang="EN-US">3</span>～<span lang="EN-US">4</span>）<span lang="EN-US">d</span>，<span lang="EN-US">H<sub>0</sub></span>＞<st1:chmetcnv unitname="m" sourcevalue="9" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">9m</span></st1:chmetcnv></span><br>
D、<p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly"><span style="font-size:12.0pt;font-family:宋体;mso-bidi-font-family:宋体">管嘴长度＞（<span lang="EN-US">3</span>～<span lang="EN-US">4</span>）<span lang="EN-US">d</span>，<span lang="EN-US">H<sub>0</sub></span>≤<st1:chmetcnv unitname="m" sourcevalue="9" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">9m</span></st1:chmetcnv><span lang="EN-US"> <o:p></o:p></span></span></p>
查看答案
，直径为d，管嘴作用水头为H0，则其正常工作条件为（）。