 |
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| headframe; headgear; headtree; poppet-head | |||
| boring tower; drill tower; DRK; Dk; heapstead; mast | |||
| gallows frame; mine head frame; shaft-head frame | |||
| drive block | |||
| derrick | |||
| drilling tower; gallows; headframe (浅井、竖井); head gear; headwords; heap stead; shaft headframe; winding tower; oil derrick | |||
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| derrick | |||
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| mast | |||
| 井架: 454 phrases in 17 subjects |