单词	offset die head
释义	offset die head n.直角机头
随便看	polymer electrolyte fuel cell polymer electrolyte fuel cellpefc Polymer electrolyte membrane Polymer Electrolyte Membrane Fuel Cell polymer-forming tendency polymer formulators polymer fouling polymer fragment polymer electrolytes polymer element polymer emulsifier polymer emulsifiers polymer emulsion polymer emulsion building waterproof coating polymer emulsion powder polymer emulsion powders polymer emulsions polymer emuplsion polymer-encapsulated silica polymer-encapsulated stationary phase polymer encapsulation polymer engineering Polymer Engineering and Science polymer engineering composite polymer enhanced foam