利用混合原油的生物标志物参数和数学关系式,计算了西部弧形构造带两种原油的混合比例。
The hybrid scale of mixed crude was calculated by using the mathematical model and the parameters of biomarkers of two kinds of crude oil.
导轨式升降机作业区域须用警示带维护起来,设警示标志,并设专职监护人员。
Guide rail type lift operation area should be maintained with a warning belt, set the warning signs, and set up a full-time monitoring.
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