A、on only the forward falls
B、on only the after falls
C、with a lead of about 45 degrees to the boat
D、from the falls to the main deck of the vessel
更多“When lowering lifeboats in heavy seas，a good practice is to rig frapping lines（）.”相关的问题
A、A. We should lower national flag when the sun sets. B、B. We should lower national flag when the ship is in port. C、C. We should lower national flag when loading and unloading. D、D. We should lower national flag when the sun rises.
A、decelerating when lowering the load B、decelerating when raising the load C、lowering the load at constant speed D、raising the load at constant speed
A、The ensign should be hoisted when the sun rises. B、The ensign should be lowered when the sun rises. C、The ensign should be hoisted when the sun sets. D、The ensign should be lowered when the sun sets.
A、The ensign should be hoisted when the sun rises. B、The ensign should be lowered when the sun rises. C、The ensign should be hoisted when the sun sets. D、The ensign should be lowered when the sun sets.
A、A. When the derrick is stopped, the guy must be stowed. B、B. When the derrick is stopped, the guy must be topped. C、C. When the derrick is stopped, the guy must be lowered. D、D. When the guy is stopped, the derrick must be stowed.
A、On board national flags should be hoisted when the sun sets. B、On board national flags should be hoisted when the sun rises. C、On board national flags should be lowered when the ship is in port. D、On board national flags should be hoisted flag when loading and discharging
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