语法时态问题Removed and put them into constant weight device immediately to constant weight for 30min,then weighed and recorded the data.取出立即放在恒重器中恒重30min,称重记录数据这句话对吗?这个是祈使句吗?时态又应该怎么样?如果不对应该怎么改?
问题描述：
语法时态问题
Removed and put them into constant weight device immediately to constant weight for 30min,then weighed and recorded the data.
取出立即放在恒重器中恒重30min,称重记录数据
这句话对吗?这个是祈使句吗?时态又应该怎么样?如果不对应该怎么改?
答