28.镇痛作用较好的低频电流频率是
<script>function viewparser(etype,eid){showWindow("showMsgBox", "plugin.php?id=tpgao_questionsyn:showMsg&timutype="+etype+"&item="+eid+"&credit=3&mod=sh", "get", 0);
}</script>[普通选择题]<br> 题目 28.镇痛作用较好的低频电流频率是<br><br><br>A.1Hz<br>B.10Hz<br>C.20Hz<br>D.50Hz<br>E.100Hz<br><br>正确答案:E<br><div id="parserbtn"><input class="parserbtn"onclick="viewparser(1,14670);" type="button" name="parserbtn" value="查看解析" style="height: 23px"></div><br>来自《B18Z专业知识(291题)》试卷<br><br>
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