某企业全年需要甲零件1200件(单价10元),每一次的订货成本为400元,每件年储存成本为6元。订货期为30天,保险储备量为50件。再订货点
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幼儿园教育评价的作用是反馈作用、诊断作用和()
A. 促进作用
B. 积极作用
C. 反思作用
D. 纠偏作用
淘宝网卖家同时符合哪些条件,方可成为飞猪旅行集市卖家?
混凝土和易性是一项综合的技术性质,下面()不属于和易性范畴之内。
A. 流动性
B. 黏聚性
C. 保水性
D. 安定性
During the running of the diesel engine, if the supply of cooling water is interrupted or the temperature of cooling water out of the cylinder is too high, the duty engineer should ()
A. notify the duty officer, reduce the engine speed, take some measures to remove failures
B. notify the duty officer and stop the engine immediately, find the cause and remove failures
C. notify the C/E
D. notify the captai