...于挑战 这样才能突破自我、、、、、 » daring to challenge to break this self-, , , , , 选修专业课 » Elective major courses 成品罐出料口增加一根离地面1.5米的管道，这样可不直接把底部的料排出 » Finished tank discharge port to increase a pipe 1.5 ...
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Major Elective Courses 专业选修课
Three Major Elective Courses 三门主修任选课 ; 三门主修课程或
Major Elective Courses 6 Credits 主要选修课程6学分 ; 主要的选修课程
Four Major Elective Courses 四门主修任选课
Two Major Elective Courses 两门主修任选课
One Major Elective Courses 一门主修课程
Major r Elective Courses 专业选修课
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