Haum rau drilling, qhov-expansion, reaming, bevel ntug, thiab tapping, rau nto milling, kauj ruam dav hlau, txoj kab nqes, thiab milling zawj, rau txiav thiab milling nkhaus, nkhaus nto thiab cam. nce torque loj nrog tsawg ceev, haum rau kev ua cov tuab txiav qhov tob thiab loj-inch qhov.Lub fuselage thiab lub ntsiab Cheebtsam yog siab zog cam khwb cia hlau, microstructure stability, xyuas kom meej stability ntawm lub tshuab cuab yeej siv mus ntev.