水稻种子根发育期最适温度（）℃，最低温度不低于（）℃，最高不超过（）℃。
Maintaining the close tolerances in diesel fuel pumps and injectors requires the use of（）. ["fuel\/water separators","day tanks","injector test stand","fuel filter"]
（）can cause oil flow from water outlet of a separator. ["Oil inlet valve opening too quickly","Oil temperature too high","Diameter of gravity disc too small","Viscosity of oil too low"]
为什么交流电能通过电容器？
温度管理宁（）勿（）。酒精温度计反应较快，容易出现断层，最好选用（）温度计。
设备安装的紧固要求有哪些？
