Do you agree____ this plan (arrangement)?
A.at
B.with
C.on
D.to
答案:D
当风电场并网点的电压偏差在()之间时,风电场内的风电机组应能正常运行。
A.-10%~+10%
B.-15%~+15%
C.-10%~+15%
D.-15%~+10%
运行中滚动轴承、滑动轴承、减速器的最高温度各是多少?