【单选题】In addition to saving and investment in capital, making an even larger contribution to long-term economic growth in real GDP per person
A.
are technological advances.
B.
is lower current consumption.
C.
is higher current consumption.
D.
is a larger work force.
【多选题】用于交流50Hz额定电压 V以下,直流额定电压 V以下的电路内起通断、保护、控制或调节作用的电器称为低压电器。
【单选题】"... in addition to our searching and purchasing behavior on their website, it also collects other data it finds online, ...." What does "in addition to" mean?
【判断题】用于交流50Hz,额定电压1500V以下,或者直流额定电压1200V以下的电路起通断保护,控制或者调解作用的电器称为低压电器。
【单选题】Translate the words into Chinese In addition to structure and properties, two other important components are involved in the science and engineering of materials.
【单选题】用于交流 50Hz 或 60Hz ,额定电压 1200V 及以下,直流额定电压 1500V 及以下电路的电器称为( )。
【单选题】Increased internal leakage, in addition to poor hydraulic system response, and inadequate lubrication, is the result of _____.
A.
pump bearings in poor condition
B.
excessively worn actuator-piston packing
C.
broken directional control valve centering springs
D.
low hydraulic oil viscosity