Home > Term: arrastre
arrastre
A circular rock-lined pit in which broken ore is pulverized by stones attached to horizontal poles fastened in a central pillar and dragged around the pit. Also spelled arrastra.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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ผู้สร้าง
- ed.young
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(Milwaukee, United States)