A、A.operation
B、B.operate
C、C.operated
D、D.operator
更多“Before the（）of the derrick, check all the tackle closely.”相关的问题
A、Explore the ramification of the change before implementation. B、Determine the service level agreement in place before implementation. C、Review the equipment disposal procedures and policies before implementation. D、Notify all staff members of the planned system outage before implementation.
A、A.before the conclusion of the voyage B、B.after the conclusion of the voyage C、C.as soon as the expenditure occurs D、D.before or after the conclusion of the voyage
A、A.after torque causes line pull to exceed the rated capacity of the winch B、B.before the line pull reaches the rated capacity of the winch C、C.when the line pull reaches the breaking strength of the fall D、D.before the safe working load of the fall is reached
A、A.after torque cause line pull to exceed the rated capacity of the winch B、B.before the line pull reaches the rated capacity of the winch C、C.when the line pull reaches the breaking strengh of the fall D、D.before the safe working load of the fall is reached
A、 Explore the ramification of the change before implementation. B、 Determine the service level agreement in place before implementation. C、 Review the equipment disposal procedures and policies before implementation. D、 Notify all staff members of the planned system outage before implementation.
A、Pay out all of the cable before setting up on the brake to insure the anchors dig in and hold B、For a mud，mud and clay，or sandy bottom pay out a scope of 5 to 7 times the depth before setting up on the brake C、Use one or both anchors with a scope of twice the depth before setting the brake D、Drop the anchor to short stay and hold that scope
A、the type and size of the engine B、the condition of the engine C、ambient temperature D、all of the above
A、One hour after the predicted time B、At the predicted time C、30 minutes before flood，one hour after an ebb D、30 minutes before the predicted time
A、one month before the anniversary date of the plan B、six months before the end of the approval period C、and cannot be implemented without approval D、and can be implemented without immediate approval as long as final approval is received within six months of submission
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