[单选] The deviation ordered by the Admiralty for strategic reasons in wartime（）to a general average act，because the masters obeying the order had no opportunity of exercising their own judgment or discretion.

以下哪项不是属于按行业划分的公司客户类型（）。 农业企业。 渔业企业。 制造业企业。 商业企业。 《八十天环游地球》中从孟买到加尔各答铁路还没有完工，福克先生想到用大象这种交通工具。 差异化战略就是与竞争对手服务不同的顾客。 《酒后》的场景是什么？（） 煤矿。 商店。 家庭。 街道。 If the capacity of a centrifugal pump decreases gradually over a long period of time, you should replace the （）. packing gland。 mechanical seals。 lantern rings。 wearing ring。 The deviation ordered by the Admiralty for strategic reasons in wartime（）to a general average act，because the masters obeying the order had no opportunity of exercising their own judgment or discretion.