A、A.helmet
B、B.slippers
C、C.goggles
D、D.immersion suits
更多“You should always wear（）when working on deck.”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、The gangway is a little higher，we should lower it. B、The gangway is a little higher, we should low it. C、The pilot ladder is a little higher，we should lower it. D、The pilot ladder is a little higher, we should low it.
A、can always rely on a buoy to be on station B、can always rely on a buoy to show proper light characteristics C、should assume a wreck buoy is directly over the wreck D、should never rely on a floating aid to maintain its exact position
A、Can always rely on a buoy to be on station B、Can always rely on a buoy to show proper light characteristics C、Should assume a wreck buoy is directly over the wreck D、Should never rely on a floating aid to maintain its exact position
A、Anchor may be dropped from the hawse pipe B、Anchor should be lowered to within 2 fathoms of the bottom before being dropped C、Scope should always be at least ten times the depth of the water D、Scope should always be less than 5 times the depth of the water
A、A.They should always be started with the discharge valve closed B、B.They should always be started with the discharge valve opened C、C.A priming pump is always required to flood the impeller suction D、D.They should always be started with the sealing line valves closed
A、use English language B、always use the International Code C、preface it by the word SOS D、follow the transmission with the radio alarm signal
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