A variety of sizes and length selection, can cooperate with various elastic machine tools.
多种尺寸与长度选择，可弹性配合各式机床。
About 22.05 % individuals of age 1 group reached the length selection standard of the net.
约有22.05%的1龄个体的体长达到了网具捕捞选择的标准。
The research on variable mass flowing law in horizontal wellbore is the basis of the productivity prediction, horizontal length selection and completion design optimization of horizontal well.
水平井筒变质量流动规律的研究是水平井产能预测、水平井水平段长度优选以及水平井完井设计优化等的基础。
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