core barrel

基本解释

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。
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The core barrel itself may be thought of as a special storage chamber for holding the rock core.
取芯桶自身可能被认为是一种特殊的储存室，用于保存取好的岩心。
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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。