Computer aided design (CAD) is used to design the shapes of hulls, appendages and decks, and is an important part of this course.是什么意思_Computer aided design (CAD) is used to design the shapes of hulls, appendages and decks, and is an important part of this course.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句