Hauv thaj tsam ntawm kev tsim khoom siv hluav taws xob, FR A2 core coils ua lub luag haujlwm tseem ceeb hauv ntau yam kev siv, tshwj xeeb tshaj yog cov kev nyab xeeb hluav taws kub yog qhov tseem ceeb. Cov ntaub ntawv tseem ceeb uas tsis yog-combustible no, muaj li ntawm inorganic ntxhia tshuaj, muaj exceptional hluav taws-retardant zog, ua rau lawv ib tug e ...
Nyeem ntxiv