为估算物质在用量 将物质分成三种类型 其中不包括()Which of the following()is excluded from t
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为估算物质在用量,将物质分成三种类型,其中不包括()Which of the following()is excluded from the three types of metal product groups
A.稳定型物质 Material in stable use
B.睡眠型物质 Material in hibernating use
C.耗散型物质 Material in dissipative uses
D.再生物质 Recycled material

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工作量规、验收量规、校对量规
