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run-in n.插入物;(印件上的)插補段落,(主要詞目下的)附加詞...

run-of-paper

The principal disadvantages are the long run-in time required for proper channeling . 主要的缺點是,為了得到合適的油路,需要很長的磨合時間。

I had a run-in with a doctor there . 我跟那兒的醫生拌了兩句嘴!