... gelatinized gasoline 凝固汽油 general conception for derrick 井架的基本概念 general conception for drill stem testing 钻杆测试的基本概念 ...
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根据可靠性理论基础,阐述了井架可靠度的基本概念。
On basis of the reliability theory, the basic concept of derrick reliability is expounded.
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