还原初允许推渣用焦碳粉或电极粉增碳量为(),但应充分搅拌、取样分析。
参考答案:0.10%
China is a developing country, _____ to the third world. [ ]
A. belong
B. to belong
C. belonging
D. is belonging
Y-8120型取心工具的内筒组为卡板岩心爪—缩径套(内装卡箍岩心爪)—()—()—()。