单项选择题
Which of the following operations need to be entered on the Oil Record Book Part I?（） (1) Cleaning of fuel oil tanks (2) Internal transfer of fuel oil
A.（1）only B.（2）only C.both（1）and（2） D.neither（1）nor（2）
Which of the following operations need NOT to be entere...
Which of the following operations need NOT to be entered on the Oil Record Book Part I?（） (1) Disposal of oil residues (2) Internal transfer of fuel oil
Steering gears can be arranged with hydraulic control e...
单项选择题Steering gears can be arranged with hydraulic control equipment known as a （）, or with electrical control equipment.
A.telemeter B.telemanometer C.telemotor D.telemometer
Should a person be overcome due to lack of oxygen and h...
单项选择题Should a person be overcome due to lack of oxygen and high concentration of refrigerant, treat with（）.
A.fresh water B.fresh air C.salt water D.artificial respiration
