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【单选题】
塑件的表面粗糙度主要与( )有关A.
塑件成型工艺
B.
尺寸精度
C.
注射机类型
D.
模具型腔表面的粗糙度
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举一反三
【单选题】A good many proposals were raised by the delegates, ________ was to be expecte (2003.1/42)
A.
that
B.
what
C.
so
D.
as
【简答题】to limit all or most of your study ,business etc to a particular subject or activity
【简答题】The main principles of GATT 19 47 were as follows: (1) Trade 1 was forbidden . Each contracting state had to 2 the same trading privileges and benefits (or most- 3 -nation status) to all other contrac...
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