凝结水的喷淋循环技术不仅延长了移动式空调器连续使用时间，而且强化了冷凝器的传热效果。
Cyclic spray of condensing water not only extends continuing operation period of portable air conditioners (PACs), but also strengthens heat transfer performance of condenser.
存储介质同电力供应与成像质量无关，但同实际使用有关，两者都会影响总体成本和连续使用时间。
Storage medium with power supply and imaging quality has nothing to do, but with actual use relevant, both will affect the overall cost and continuous use time.
结论，超声波加湿器内水容易滋生细菌并污染环境空气，随着连续使用时间的延长，菌数逐渐增加。
Conclusion: the water in ultrasonic humidifier was apt to breed bacteria and contaminate the environmental air. With prolonging the time of continuous use, the bacterial count increases gradually.
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