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Precision Hlau Qhov Chaw Seem Txuas Hauv 8mm 10mm 25mm 25mm 35mm 40mm obt ntawm Lutear Ncej
Aptical axis yog ib qho kev siv tshuab siv los txhawb qhov chaw tig los yog raws li lub luag haujlwm tig nws tus kheej, ua lub luag haujlwm rau kev xa cov lus tsa suab, torque, thiab lwm yam hauv tshuab. Lub axis kho qhov muag feem ntau yog cylindrical, tab sis kuj tseem muaj cov hexagonal thiab square duab.