【判断题】测量轨距、水平、轨距变化率、高低、方向。每节长12.5m钢轨的线路检查4处,分别为接头和1/2轨长
【简答题】5m长钢轨轨距检查为____________、____________两处。
【单选题】Paper produced every year is the world’s production of vehicles.
B.
three times the weight of
C.
as three times heavy as
D.
three times as heavier as
【单选题】电气控制回路中,启动按钮在多地控制回路一般( )连接
【判断题】在个体心理发展的观点上,华生强调环境对人的发展的作用。
【单选题】Paper produced every year is theworld’s production of vehicles .
A.
. the three timesweight of
B.
. three times theweight of
C.
. as three tirues heavy
D.
. three times asheavier as