家用燃气灶集成灶式能效标准2级为（）% ["63","59","55","56"]
（）适用于互联网上的图像传输，常在广告设计中作为图像素材，在存储容量有限的条件下进行携带和传输。 ["BMP格式","PNG格式","GIF格式","JPEG格式"]
When distilling sea water the cooling water discharging from the distiller is fed back to evaporator as feed water （）. ["to decrease scale formation","for better cooling effect","for more economical purpose","to raise vacuum"]
批发商在渠道中承担的功能包括（）。 ["销售与促销","管理咨询服务","融资","风险承担","存储服务"]
家用燃气灶集成灶式能效标准3级为（）% ["63","53","55","65"]
简述斜管虫病的流行情况。
