1 A Log Selection Technique for Form Iav Sib Tsoo (Tsib Hlis / Lub Rau Hli 1986) Txog thaum tsis ntev los no, daim ntawv iav sib tsoo tau ua yuav luag tshwj xeeb nrog hnav, cov pa sib tsoo sib tsoo.Nyob rau hauv xyoo tas los no, preformed, plated Cubic Boron Nitride (CBN) lub log tau qhia rau qhov kev ua haujlwm no ...
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