main top mast是什么意思
中文翻译主一接桅
网络释义
1)main top mast,主一接桅2)main-topmast,主一接桅3)one chief paralleling with one subordination,“一主一选”4)one leader with one-follow,一主一从5)three mains and one support,三主一支持6)An en-ergy equation for the donor一acceptor pair transition,施主一受主对的能量方程