what've'hwʌtəvIMDB¹¹¹²² 基本例句 what have What've we learned from conditioning steam has guided us in the improvements we've made to the hardware humidifiers we use to disperse steam humidification. 在改进蒸汽的基础上，我们进一步学会了如何改进散布蒸汽的硬件-加湿器-的设计。 www.e-gtm.com.cn