Hand-Picking
Hand-Picking
the manual removal of valueless rocks or harmful impurities 40–350 mm in grain size from minerals moving along a conveyor belt. Handpicking is not widely used.
| 单词 | hand-picking |
| 释义 | Hand-PickingHand-Pickingthe manual removal of valueless rocks or harmful impurities 40–350 mm in grain size from minerals moving along a conveyor belt. Handpicking is not widely used. |
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