coring bit

基本解释

The geologist needs to know what rocks the drill has reached, so every so often a sample is obtained with a coring bit.
地质学家需要知道钻头已达到什么样的岩层了，所以时时要用取钻芯头那样。
Different lip shape and matrix formula of coring bit apply to various coring work in complex rock. The core can provide reliable data to geological and engineering research.
取芯钻头不同的唇面形状、胎体配方可适应各种复杂岩层的取芯，所钻取的岩芯将为地质和工程研究提供可靠的数据。
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Sealing coring tools mainly consists of external threaded adapter, balance piston, limit joint, inner and outer barrel, core catcher, locating pin, sealing head and coring bit.
密闭取心工具主要由外螺纹接头、平衡活塞、限位接头、内外筒、卡箍岩心爪、定位销、密封头、及取心钻头等部件组成。