控制柜的控制电压（）V。 ["220","110","380","400"]
目前大庆油田常用的小扁电缆长度规格有（）种。 ["3","4","5","6"]
建立一个呼叫，CDMA系统基站侧需要分配的“无线资源”包括（）. ["功率资源","Walsh码资源","导频偏置资源","CE资源"]
两个导频序列偏置的最小间隔是（）. ["1second","1Hz","1chip","64chips"]
18m小扁电缆所配机组规格（）m3/d。 ["100","200","320","425"]
简述果树授粉树应具备哪些条件？
