產(chǎn)品特點(diǎn)：?傳統(tǒng)產(chǎn)品，質(zhì)量穩(wěn)定。?采用空氣阻尼，停點(diǎn)迅速。?機(jī)械加碼，操作方便。?價(jià)格實(shí)惠，使用廣泛。Feature:OrthodoxproductstablequalityUsingairresistancetheinstrumentcanarrestpositionrapidlyAddingweightsmechanicallyitisconwenientinoperationLowpriceandextensiveuse.