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key hole
construct. 键孔〔槽〕
dril. 基准井
tech. 钥匙孔; 基准孔; 电键插孔; 标准井; 控制钻孔【岩】; 键孔; 椭圆弹孔; 锁眼; 栓孔; 键槽
key-hole
sport, bask. 罚球区
tech. 键孔; 键槽; 钥匙眼
key-hole of heald
textile 综耳
key -hole: 21 phrases in 8 subjects
Architecture4
Chemistry1
Construction1
Drilling1
Metallurgy4
Oil / petroleum1
Technology5
Textile industry4