拉紧螺杆和齿压板，是用来将定子铁芯在（）压紧的部件。
A、轴向；
B、径向；
C、轴向、径向；
D、周向。
参考答案：A
涂抹耐酸胶泥和耐酸砂浆的环境温度应在0℃以上。( )
You can’t expect yourself to his trust over the night because it takes time for the damage you have done to him to heal.
A．wipe out
B．turn up
C．depend on
D．win back
