更多tailings例句

1. It was not entirely for the money that he undertook the laborious task of washing "riffles" and "screening tailings."
2. The tailings should be small, containing no light chaff and little full-size grain.
3. Grain returned in the tailings is liable to get cracked in the cylinder, and much chaff in the tailings chokes the cylinder.
4. The tailings are carried back to the cylinder by an elevator usually worked with a chain.
5. Refuse material from quartz, hydraulic or other mines is known as tailings.