The securing of passenger cars on a Ro-Ro vessel requires（）.<br>A:simple and lightweight equipment<br>B:low labor intensive equipment<br>C:specially designed equipment to avoid vehicle damage<br>D:All of the above

The securing of passenger cars on a Ro-Ro vessel requires（）.
A:simple and lightweight equipment
B:low labor intensive equipment
C:specially designed equipment to avoid vehicle damage
D:All of the above

出自：海船船员证

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