How should you signal the crane operator to dog everthing?（）.<br>A:Place both fists in front of the body with the thumbs pointing outward each other<br>B:Clasp hands in front of your body<br>C:Extend arm with the palm down and and hold this position rigidly<br>D:Extend arm with the thumb pointing up, and flex the finger s in and out

How should you signal the crane operator to dog everthing?（）.
A:Place both fists in front of the body with the thumbs pointing outward each other
B:Clasp hands in front of your body
C:Extend arm with the palm down and and hold this position rigidly
D:Extend arm with the thumb pointing up, and flex the finger s in and out

出自：海船船员证

提示：
同一【IP】的非会员用户每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10252937】个 (题库试题定时更新)