| 释义 |
Definition of pit prop in English: pit propnoun A large wooden beam used to support the roof of a coal mine. Example sentencesExamples - Its cargo of pit props - used to hold up mine shafts - went into the sea and its crew overboard.
- By the 1930s a worker's camp had been established, and the forest produced wood for pit props and fencing.
- The mines provided wage labor and required a network of commerce to supply explosives, chemicals, timber for pit props, and food for the miners.
- The use of wood in the foundries and for pit props in the mines must have been considerable.
- It features pit props for roof beams, bricks from wash houses, a massive lump of coal for an alter and a half winding wheel on a wall.
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