题目内容

( ) dies are the least complex of the moulds

A. casting
B. extrusion
C. injection

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( ) moulding is the most complex of the moulding processes.

A. injection
B. casting
C. extrusion

Injection moulding is well suited for ( )

A. thick-walls parts
B. connecting rods
C. plastic bottle

In principle, pressture casting is identical to ( )

A. extrusion moulding
B. injection moulding
C. compression moulding

() is the proper moulding process for Large parts of low-quantity production

A. casting
B. injection
C. compression