mechnical seal for pumps: professional technique competitive price short lead time Running dataShaft diameterφ40-φ120mmMedium: liquid with coal, ash, sand and other solid particles Construction freatureSingle end faceMultiple springsSpring protectionBalance typeStatic type To protect spring effectively by outside construction, which separate it from medium. offset ring and spring can not rotate ...
... mm. There are “freeze, filter, zoom in, zoom out, white balance” buttons on the top of the camera for the speedy ... automatic functions.Professional green-filter techniques.Image freeze.White balance.Auto focus.Timing of acetic acid and iodine reaction tests ...
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