烧结终点是通过什么来控制的？
行政责任为，行政组织及其工作人员因其（）而对授权者和法律所承担的责任。 ["公权地位和私职身份","私权地位和私职身份","公权地位和公职身份","私权地位和公职身份"]
用户每月拨打号码（）进行电话费查询，可以查出前期欠费、前期预交款、本期话费。 ["120","110","121","170"]
哪个设备不属于高压配电设备（） ["进、出线柜","隔离PT柜","计量柜","避雷柜"]
In boilers, besides maintaining the burner atomizers, air diffuser vanes, fuel temperature, forced draft fan, fuel pump and other hardware in good condition, there are some adjustments on the （）that can produce a good flame for the most efficient operation. ["fuel-air ratio","compression ratio","fuel rack","viscosity index"]
简述选育和推广抗病品种。
