Kev Kawm Txuj Ci: Marine engineering hauv Australia Qhov kev taw qhia: choj engineering hais txog kev tshawb fawb, tsim, kev tsim kho, kev kho thiab calibration ua hauj lwm txheej txheem, nyob rau hauv cov nqe lus ntawm choj cov ntaub ntawv, nrog siab zog, lub teeb yuag, tsis tshua muaj nqi rau xaiv lub hauv paus, tseem muab pri...
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