为了使变频器保护功能动作时能切除电源和防止故障扩大,可在电源电路中连接一个电磁接触器。()
查看答案
The inability to supply a cargo of the contractual quantity in the country of shipment()the doctrine of frustration into operation.
A. is capable of bringing
B. is sufficient to bring
C. is not capable of bringing
D. is probally to bring
女孩,3岁,正常排尿后仍有滴尿现象,站立或活动后滴尿更加严重,但睡眠后阴部不潮湿。其依据是()
A. 静脉尿路造影
B. 膀胱镜
C. 检查外阴,寻找异位尿道口
D. B超
E. CT
企业要求购汇付款时,在审核其提供的材料合规后,应采用()外汇牌价,为企业办理该业务。
A. 汇买价
B. 基准价
C. 汇卖价
D. 中间价
E. 钞买价