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２０００年４～５月，将潍坊市区２５所宾馆、招待所客房的毛巾、枕巾对折后于两面的中央５ｃｍＸ５ｃｍ面积上，用无菌棉拭蘸取采样液（无菌生理盐水）涂抹五次采样；床单、被罩则在中央部位５ｃｍ ｘ５ｃｍ面积上及两端的中间５ｃｍｘ５ｃｍ面积处如上涂抹采样。采样后，将棉
From April to May 2000, the towels and pillowcarts of 25 guesthouses and guest houses in Weifang City were folded on both sides of the central 5cm × 5cm area, and a sterile cotton swab dipped in sample solution (sterile saline solution) was used to smear five samples ; Sheets, quilt in the central area of 5cm x5cm area and both ends of the middle 5cmx5cm area as above smear sampling. After sampling, the cotton