Cov Thawj Coj Tshawb Fawb

Mr. Qing Lin, tus Thawj Coj, ua haujlwm ua tus thawj saib xyuas sab nraum tsev kawm ntawv rau cov tub ntxhais kawm tiav qib siab ntawm Hunan University of Technology. Thaum nws ua haujlwm hauv kev lag luam cemented carbide, nws tau txais ntau yam khoom plig hauv tebchaws, xeev, thiab nroog tag nrho tsib, nrog rau ob daim ntawv pov thawj tsim khoom thiab peb daim ntawv pov thawj qauv siv tau. Nws cov kev tshawb fawb thiab kev txhim kho tau ua tiav ob qhov sib txawv hauv tebchaws. Ua ib tug neeg tseem ceeb hauv kev lag luam, nws tau coj txoj haujlwm tshawb fawb tseem ceeb rau ib hom helicopter's cemented carbide, tau txais qhov khoom plig thawj zaug ntawm Hunan Province National Defense Science and Technology Progress Award.