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semisolid bituminous material
Material having a penetration at 77 degrees F (25 degrees C), under a load of 100 g applied for 5 s, of more than 10; and a penetration at 77 degrees F, under a load of 50 g applied for 1 s, of not more than 350.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
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创建者
- ed.young
- 100% positive feedback
(Milwaukee, United States)