单元格中的数据可以是（）。 ["字符串","一组数字","一个图形","A、B、C都可以"]
生产装置中灭火蒸汽管道的设置应符合哪些规定？
地方债的发行，凭借的是（） ["地方政府权力","地方政府信用","地方经济实力","地方政府固有资产"]
如果删除了公式中使用的单元，则该单元显示（）。 ["###","？","#REF！","以上都不对"]
why should the SES operators be very careful when the ship enters the area where three ocean regions overlap? Because（）. ["the weather over there is always terrible","the condition there is complicated","the signals are too strong","their SES may receive the signals from unwanted satellite"]
装置内火炬的设备应满足哪些要求？
