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counter boring; countersinking; grooving | |||
counterbore | |||
spot facing | |||
spotface | |||
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countersink | |||
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counterbore | |||
Chinese thesaurus | |||
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1; countersinking∶在孔的顶部周围作成漏斗形凹坑的钻进操作; 2; spot-facing∶在孔的顶部周围作成圆柱形凹坑以便安置螺钉头或垫圈, 或者使连接零件能齐平安装 |
锪孔 : 5 phrases in 3 subjects |
Automobiles | 3 |
General | 1 |
Technology | 1 |