【判断题】在R、L、C串联的交流电路中,当 < 时电路呈电感性,即电流滞后于总电压。
【单选题】两自然数相除,商是17,余数是13,已知被除数、除数、商与余数之间的和为1987,则被除数是( )。
【单选题】Who repaired the machine last time when there was something wrong with it?
C.
The man from the shop.
D.
The repairman from the repair shop.
【判断题】小儿推拿操作时推拿次数主要与患儿年龄密切相关,患儿年龄越大,推拿次数越多。
【判断题】小儿推拿操作时推拿次数主要与患儿年龄密切相关,患儿年龄越大,推拿次数越多。
【单选题】When designing this machine, time factor is what we must first ___________.
A.
taking into consideration
B.
take into consideration
C.
taken into consideration
D.
took into consideration
【单选题】V带传动设计中,选择小带轮基准直径的依据是