A. 电动自行车 B. 自行车 C. 残疾人车 D. 摩托车
ALT B. GGT C. ALP D. STP
A. 正确 B. 错误
A. change from diesel oil to heavy fuel oil for mail engine B. pump out bilge water C. change sea chest form lower level one to high level one D. test emergency generator