As they drilled into the central and deepest part of the Mediterranean basin, the scientists took solid, shiny, crystalline salt from the core barrel.
随着科学家们在地中海盆地的中部和最深处进行钻探，他们从岩心桶中取出了坚硬的、有光泽的结晶盐。
A core bit is used to accomplish this, in conjunction with a core barrel and core catcher.
使用取芯钻头、取芯桶和岩心爪来完成取芯工作。
The core barrel, one of the most important components of reactor internal, relied on imports in the past.
吊篮筒体是堆内构件的重要零部件，过去依赖进口。
Moreover, the vibrational frequencies of the core barrel in still water are much lower than its corresponding order frequencies in air.
吊篮在空气中的振动频率比其在静水中相应的振动频率高。
The core drilling method and the obtained achievement are introduced with respect to the bit and core barrel used in different formation.
根据不同地层所采用的钻头和取心器，介绍了不同地层的钻进取心方法和取得的成果。
After having completed the model analysis of the pressurized water reactor (PWR) core barrel in an 1:10 model, the dynamic characteristics are obtained.
在反应堆1：10模型上进行了堆芯吊篮结构的空气和静水中模态分析试验，获得动态特性。
After having completed the model analysis of the pressurized water reactor (PWR) core barrel in anl: 10 model, the dynamic characteristics are obtained.
在反应堆1：10模型上进行了堆芯吊篮结构的空气和静水中模态分析试验，获得动态特性。
Cataclasite series; Rate of core recovery; Single Rotary and Double Tube core Barrel, Structure of drilling tool; drilling technology.
碎裂岩系；取芯率；双管单动钻具；钻具造型；钻探工艺。
Cataclasite series; Rate of core recovery; Single Rotary and Double Tube core Barrel, Structure of drilling tool; drilling technology.
碎裂岩系；取芯率；双管单动钻具；钻具造型；钻探工艺。
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