| 单词 | spragging |
| 释义 | > as lemmasˈspragging ˈspragging n. ΘΚΠ society > occupation and work > industry > mining > [noun] > other specific mining processes > in coal-mining outstroke1747 holing1841 coal-cutting1842 patio1845 sumping1849 bottoming1856 salting1856 patio process1862 spragging1865 yardage1877 booming1880 brushing1883 filling1883 sounding1883 yard-work1883 blanketing1884 goafing1888 freezing process1889 power loading1901 bashing1905 rock dusting1915 mucking1918 solid stowing1929 stone-dusting1930 roof bolting1949 rock bolting1955 1865 Pall Mall Gaz. 26 Sept. 7/2 Nearly fifty per cent. of the lives lost..proceeded from falls of roof.., a large proportion of which might have been avoided by a more..methodical system of ‘propping’ and ‘spragging’. < as lemmas |
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