홈 > Term: standard mix
standard mix
Concrete mixed in the proportions of 1 part cement, 2 parts sand, and 4 parts coarse material.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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- ed.young
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(Milwaukee, United States)
