STCW公约马尼拉修正案背景下航海英语听力与会话评估课程的教学模式改革
STCW공약마니랍수정안배경하항해영어은력여회화평고과정적교학모식개혁
The teaching mode reform of the session assessment course of nautical English listening under the background of Manila amendments STCW convention
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