方法采用目测法与鼠夹法。
方法采用目测法，蟑螂盒诱捕法、药激法3种调查方法。
Methods Eye seeing, cockroach catching box and insecticide stimulating method.
方法采用目测法对不同腐蚀介质作用后的器械锈蚀情况进行观察。
Visual method was used to observe corrosion condition of instruments after exposure to different corrosive mediators.
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