If you must enter a room or compartment to combat the fire, keep an escape path _____.

题库:二管轮 类型:最佳选择题 时间:2019-02-19 18:37:56 免费下载:《第二章 船舶辅助机械》Word试卷

If you must enter a room or compartment to combat the fire, keep an escape path _____.
A.open
B.close
C.opens
D.closes

本题关键词:If缺陷,僵a,ECF-A,EP21-A,EP6-A,EP18-A,EP7-A,Lp(a),Lp（a）,A-aDO2;