Combinations of these agents are administered to counteract the virus's inherent mutability , but that strategy does not always ward off resistance to the medicines, including the protease inhibitors.
利用这些药物的互相搭配，可抵抗病毒与生俱来的变异性，但是这种策略并无法完全避免抗药性的产生，包括对蛋白酶抑制剂的抗药性。
The straight blow-off pipe has less blow-off resistance, the flushing area of the swirl nozzles and the fan nozzles is large, the water pressure is high, and the water consumption is less.
直管排污管的排污阻力小，旋 流喷嘴、扇形喷嘴的冲洗面积大、水压高、用水量小。
The straight blow-off pipe has less blow-off resistance, the flushing area of the swirl nozzles and the fan nozzles is large, the water pressure is high, and the water consumption is less.
直管排污管的排污阻力小，旋 流喷嘴、扇形喷嘴的冲洗面积大、水压高、用水量小。
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