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| pit mouth | |||
| wellhead (подземного газогенератора) | |||
| collar of well; collar (shesun) | |||
| drill hole collar (Jewelia) | |||
| mouth of well | |||
| well top | |||
| cellar (нефтяной); hole collar | |||
| well top (servicing); well curbing (servicing) | |||
| well-head (MichaelBurov); well-spring | |||
| well mouth | |||
| mouth; hole mouth; hole top; top of well; well spring | |||
| wellhead; mouth of hole; well head | |||
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| cellar | |||
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| wellhead | |||
| устье скважины: 406 phrases in 24 subjects |