They supply plentiful useful information for the design and function of the integral PDC drill bit, while stating the principle of destroying the rock of the integral PDC drill bit.
对复合钻头的几何设计和性能设计提供了丰富的、有用的信息,同时叙述了组合钻头的破岩原理。
They supply plentiful useful information for the design and function of the integral PDC drill bit, while stating the principle of destroying the rock of the integral PDC drill bit.
对复合钻头的几何设计和性能设计提供了丰富的、有用的信息,同时叙述了组合钻头的破岩原理。
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