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indexing centre | |||
indexing head | |||
index; index centre | |||
dividing head; index head | |||
spiral head | |||
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index | |||
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index | |||
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index head |
分度 头: 33 phrases in 8 subjects |
Automobiles | 6 |
Compressors | 1 |
Computer numerical control | 1 |
General | 1 |
Metallurgy | 1 |
Oil / petroleum | 2 |
Space | 1 |
Technology | 20 |