the application includes membrane of membrane pump, impeller, piston, leather of piston, wearable ring and liner of pump and plastic binder applied to industrial repair.
隔膜泵隔膜、叶轮、活塞、活塞皮碗、泵的衬里、抗磨环及用于工业修补剂的塑料粘结剂。
over 175 pieces in lot. includes: republic dollars (9), various provincial mint silver minors, struck coppers, cash coinage, modern machine struck coinage, etc. housed in eight plastic binder pages.
民国银币(9枚)、各省银辅币一批、铜元、古钱、近代币等,装在塑料保存夹。
it basically consists of a series of explosives bonded together with a plastic binder and a chemical, usually 2, 3-dimethyl-2, 3-dinitrobutane, to identify the type and source of explosive.
the principle and characteristics of magnet injection molding are explained and its key technologies are analysed from magnetic particulate, plastic binder and mold, process.