其他其他其他2006年第2期海船船员适任证书全国统考试题(总第40期)
题目内容

How should you signal the crane operator to lower the boom、

2024-07-09

A.With arm extended and fingers closed,point thumb downward

B.With arm extended downwards and forefinger pointing down,move hand in small horizontal circles

C.Extend arm with the palm down,and hold this position rigidly

D.With hands clasped in front of your body

题目答案

试卷相关题目

最新试卷
热门试卷

长理培训客户端 资讯,试题,视频一手掌握

去 App Store 免费下载 iOS 客户端