A、<span style="font-size:14px;font-family:汉仪书宋二简">该泵在规定转速下可以将</span><span style="font-size:14px;font-family: 'Times New Roman','serif'">20</span><span style="font-size:14px;font-family:宋体">℃</span><span style="font-size:14px;font-family:汉仪书宋二简">的水升扬的高度</span>
B、<span style="font-size:14px;font-family:汉仪书宋二简">该泵在规定转速及最高效率下可以将</span><span style="font-size:14px;font-family: 'Times New Roman','serif'">20</span><span style="font-size:14px;font-family:宋体">℃</span><span style="font-size:14px;font-family:汉仪书宋二简">的水升扬的高度</span>
C、<span style="font-size:14px;font-family:汉仪书宋二简">该泵在规定转速及最高效率下对</span><span style="font-size:14px;font-family: 'Times New Roman','serif'">20</span><span style="font-size:14px;font-family:宋体">℃</span><span style="font-size:14px;font-family:汉仪书宋二简">的水提供的压头</span>
D、<span style="font-size:14px;font-family:汉仪书宋二简">该泵在规定转速下对</span><span style="font-size:14px;font-family: 'Times New Roman','serif'">20</span><span style="font-size:14px;font-family:宋体">℃</span><span style="font-size:14px;font-family:汉仪书宋二简">的水提供的压头</span>
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