moss-box
Coal Mining (now historical )
noun
A stuffing box filled with moss, formerly used in Kind and Chaudron's method of sinking shafts through water-bearing strata.
Origin
Late 19th century; earliest use found in Encyclopaedia Britannica.
| 单词 | moss-box |
| 释义 | moss-boxCoal Mining (now historical ) noun A stuffing box filled with moss, formerly used in Kind and Chaudron's method of sinking shafts through water-bearing strata. Origin |
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