NBSn.美国国家标准局(英国新标准线规)
NBabbr.注意(=nota bene)
Nb-based ultrahigh temperature alloy铌基超高温合金
Nbsp selling and administrative expense推销及管理费用
Nb-based ultrahigh-temperature alloy铌基超高温合金
Nb-bearing microalloyed low carbon steel铌微合金低碳钢
NBPTS early adolescence generalist standards.台北市:心理出版社。
NBR toughening two-component acrylic adhesive用NBR增韧双组分丙烯酸酯粘合剂