After molding, there is gas trap on the part surface, suggest adding insert.
成形后，产品表面有困气，建议增加镶件。
Finally, we can predict the reservoir and evaluate the oil-gas trap in the light of the sandstone distribution and geological structure.
再根据砂层分布规律和构造特征进行储集层的预测和油气圈闭评价。
Based on the grey system study of oil and gas information, the grey positioning method for forecasting geophysical anomaly of oil and gas trap is put forward.
基于油气信息灰色系统研究，提出了油气物探异常灰色定位预测法。
The design principle and primary parameters' computing on the Gas Trap Hood of the equipment pumping cooking oil fumes is introduced in this paper.
详细论述了抽油烟机集气罩的设计原理，以及主要参数的确定方法。
The design principle and primary parameters' computing on the Gas Trap Hood of the equipment pumping cooking oil fumes is introduced in this paper.
详细论述了抽油烟机集气罩的设计原理，以及主要参数的确定方法。
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