Lub tog raj kheej yog ib hom pneumatic actuator, tab sis nws plays lub luag haujlwm tseem ceeb hauv kev tswj hwm kev tswj hwm.Nws yog dav siv hauv kev luam ntawv (kev tswj nruj), semiconductor (qhov chaw vuam tshuab, nti sib tsoo), automation tswj, neeg hlau, thiab lwm yam.Nws txoj haujlwm yog los hloov lub zog siab ...
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