Tuam Tshoj Wafer Center Kab Npauj Npaim Valve: Cov yam ntxwv ntawm tus yam ntxwv, kev siv, thiab kev ntsuas kev ua tau zoo
Tuam Tshoj Wafer Center Kab Npauj Npaim Valve: Cov yam ntxwv ntawm tus yam ntxwv, kev siv, thiab kev soj ntsuam kev ua tau zoo Lub npauj npaim valve hauv Suav teb yog hom valve, dav siv hauv ntau yam xws li roj av, tshuaj lom neeg kev lag luam, metallurgy, hydropower, thiab lwm yam., rau ac.. .
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