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[单选] What additional precautions should be taken when making temporary repairs to a ship that is operating when hydrogen sulfide is present?()

A . Seal off all tank and compartment ventilation
B . Remove all bulk materials from the P-tanks
C . Provide respiratory protection and monitoring
D . All of the above

Air trapped in the hydraulic fluid of a steering system may be indicated by() the steering pumps overspeeding。 a jammed open relief vale。 a constantly occurring improper rudder response。 excessive ram pressure。 简述数字PID控制器的改进方法有哪些? 袋装化肥的堆垛方式一般包括() 五花垛。 六花垛。 七花垛。 八花垛。 吴门画派的创始者是()。 仇英。 唐寅。 沈周。 文徵明。 简述生产与作业战略的实施的主要工作。 What additional precautions should be taken when making temporary repairs to a ship that is operating when hydrogen sulfide is present?()
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