外籍人士申请旅游贷款时所任职的工作单位劳动合同剩余有效期限超过()
A. 1年(含)
B. 2年(含)
C. 3年(含)
D. 4年(含)
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微机控制同步主发电机具有限压、限流、()的理想牵引特性。
A. 恒功率
B. 最大功率
C. 限制功率
The term diesel engine scavenging means()
A. delivering more air into the cylinder than it would normally receive during an ordinary charging process
B. forcing the products of combustion out of the cylinder with the fresh air charge
C. collecting the air charge at the cleaner
D. combustion and expansion of hot ga
急性炎症性脱髓鞘性多发性神经病与慢性炎症性脱髓鞘性多发性神经病的治疗有什么差别?