A 1.5L/(min·m<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20221202/11640300_0.gif">) B
2.0L/(min·m<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20221202/11640300_0_1.gif">) C
2.5L/(min·m<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20221202/11640300_0_2.gif">) D
1.5L/(min·cm<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20221202/11640300_0_3.gif">) E
2.0L/(min·cm<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20221202/11640300_0_4.gif">)