nonmeltn.非熔化的nonadv.[拉]非；不是Non-Marked Chapters无标志章non-revenue receipt课税外收入non-APEC government非亚太经合组织成员的政府non-isothermal flow非等温流non-flexible prices无伸缩性价格nonmolestation clause互不妨害条款nonselective absorber中性滤光片non-annular balance非圆摆non-consumptive use非消耗性使用nonferrous production有色金属生产