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铸造芯砂; 型砂 | |||
芯型砂 | |||
型心砂 | |||
型芯砂; 芯砂; 造芯混合料 | |||
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型芯砂 |
core sand : 32 phrases in 10 subjects |
Automobiles | 1 |
Construction | 1 |
Drilling | 1 |
Ecology | 1 |
Engineering geology | 2 |
Hydroelectric power stations | 1 |
Metallurgy | 11 |
Plastics | 1 |
Shipbuilding | 1 |
Technology | 12 |