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powder metallurgy iron-based products
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powder metallurgy iron-based products
Encyclopedia
工学
粉末冶金材料
释
powder metallurgy iron-based products
粉末冶金铁基零件
以钢铁粉末为原料,采用粉末冶金技术制造的一类机械零件。又称烧结铁基零件。
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Chang'e 1
Chang'e 1 lunar probe
Chang'e 2
Chang'e 3
Chang'e 4
Chang'e 5
changeability
changeable order reaction
Change and Constant of Morality
change azimuth
change behavior strategy
Change by Design
change control
Change Control Board
change control process
change cropping
change data capture
change detection
changed tone
change dump
change fluid flowing direction
change from rural to non-rural residence registration
change in accounting estimates
change in accounting policy
change in a function
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