单项选择题
A.30 liters per nautical mile B.15 liters per nautical mile C.30 ppm D.15 ppm
According to Annex I of MARPOL 73/78, the instantaneous...
单项选择题According to Annex I of MARPOL 73/78, the instantaneous discharging rate of the oily waste from cargo tanks of oil tankers must be lower than（）
According to Annex I of MARPOL 73/78, oily waste from c...
单项选择题According to Annex I of MARPOL 73/78, oily waste from cargo tanks of oil tankers can be discharged when the ship is more than（）away from the nearest land.
A.50 nautical miles B.30 nautical miles C.15 nautical miles D.12 nautical miles
The MARPOL Convention is the main international convent...
单项选择题The MARPOL Convention is the main international convention（）
A.about marine pollution prevention B.covering marine protection of life C.about marine D.about ship and port security
