Conclusion 0.1 % benzalkonium bromide was contaminated by Pseudomonas aeruginosa from the pollution of purification water system.结论本次0.1%苯扎溴铵消毒液污染是由纯化水制备系统污染未及时发现造成.The ion pair - HPLC method for determination of benzalk...
Roy swung his legs carefully off the couch and sat up.罗伊小心地把腿挪下沙发，坐了起来。We were sitting on the couch in the living room watching TV.我们就坐在客厅的沙发上看电视。She slipped out of the jacket and tossed it on the couch.她麻利地脱下夹克，扔在了沙发上。...