-
本文对FVJ—1型复合材料无人增音机井进行了应力分析。
Stress analysis for unmanned well of repeater with fiber reinforced material, type FVJ-1, is discussed.
youdao
-
本文对FVJ—1型复合材料无人增音机井进行了应力分析。
Stress analysis for unmanned well of repeater with fiber reinforced material, type FVJ-1, is discussed.
youdao