根据生产经验，用石墨坩埚熔炼铝锂合金，锂的损失一般稳一在7%左右。
In accordance with the conventional production process, the loss of lithium is often about 7%, when Al-Li alloy is melted in graphite crucible.
根据生产经验，分析了D 97多孔扁管连续挤压时开裂的原因，并提出了改进措施。
According to production experience, the cracks reason of D97 multi-port tube during continuously extruding is analyzed. The improvement method is also presented.
事实上，根据过去的经验，包括美国在内的许多石油生产国的石油部门的资本支出已经急剧下降了。
In fact, in line with past experience, capital expenditure in the oil sector has dropped sharply in many producing countries, including the United States.
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