QSHA统计过程中，海上平台的员工每工作日以（）小时计算。
A. 6
B. 8
C. 10
D. 12
脚手架料由于用量大，周转搭设，拆除频繁，流动面宽，一般不设专业租赁站，实行总公司统一管理。
A. 正确
B. 错误
微观市场营销以（）为出发点和基础，使企业利用有限的资源创造出能满足消费者需要的产品和服务。
A. 消费者
B. 个别企业
C. 个别供应商
D. 个别零售商
Which of the following procedures should be carried out to permit the use of a crosshead engine with an inoperable after-cooler?（）
A. Bypass the after-cooler to operate at speed
B. Run at reduced speed until the cooler can be repaired or renewed
C. Switch to diesel fuel and run at full speed
D. Nothing need to be done due to the low heating value of heavy fuel
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