contactantn.接触性过敏原contactn.接触；联系；熟人v.(与)联系；(与)接触adj.接触的contact resistances接触电阻contact equilibrium接触平衡contact performance接触性能contact-inhibited接触抑制contact's isolationcontact flocculator接触絮凝搅拌器contact arrangement触点排列contact reliability接触可靠性contact insecticide接触杀虫药剂,触杀剂,触杀杀虫药,接触杀虫剂,接触性杀虫剂Contact us at email同我们联系请发电子邮件