- (formal)
the act of forcing or pushing something out of something; something that has been forced or pushed in this way (被)挤压出,排出,喷出 the extrusion of lava 熔岩的挤出
- (specialist)
the act of shaping metal or plastic by forcing it through a hole; metal or plastic that has been shaped in this way (把金属或塑料)挤压成,压制 aluminium extrusions 铝挤压件