He submitted his term paper three weeks late.
他的学期论文晚交了三个星期。
One week after I have submitted my resignation paper.
在我提交辞职信一星期后吧！
This paper can be submitted to department of building design and metallurgy enterprise for reference.
本文可供建筑设计部门及冶金企业参考。
This paper can be submitted to department of building design and metallurgy enterprise for reference.
本文可供建筑设计部门及冶金企业参考。
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