Planetary roller ntsia hlau yog ib qho kev tawm suab actuator, dav siv hauv kev tsim khoom, aerospace, tsheb thauj mus los thiab lwm yam. Kev koom tes nrog cov khoom siv, thev naus laus zis, kev sib dhos thiab lwm yam tseem ceeb thev naus laus zis thiab cov txheej txheem, cov khoom lag luam siab nrog cov teeb meem siab, localizatio ...
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