| |||
breast | |||
coal face | |||
drift face; pilot drift | |||
heading | |||
active face; face of work area; heading face; tunnel face; tunnel heading; working face; working place | |||
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heading face | |||
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rock face | |||
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tunnel face | |||
| |||
heading face |
掌子面 : 10 phrases in 2 subjects |
Engineering geology | 1 |
Technology | 9 |