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衡(heng)(heng)器(qi)通(tong)常(chang)(chang)是指日常(chang)(chang)生活和(he)工業生產中(zhong)的計(ji)量器(qi)具，主(zhu)(zhu)要(yao)有臺秤(cheng)(cheng)、平臺秤(cheng)(cheng)、汽車衡(heng)(heng)和(he)一些(xie)特殊的衡(heng)(heng)器(qi)（如皮(pi)帶秤(cheng)(cheng)、檢(jian)(jian)重秤(cheng)(cheng)、配(pei)料秤(cheng)(cheng)等）。衡(heng)(heng)器(qi)在(zai)日常(chang)(chang)生活主(zhu)(zhu)要(yao)用(yong)于貿易結算。衡(heng)(heng)器(qi)在(zai)工業生產中(zhong)主(zhu)(zhu)要(yao)用(yong)于配(pei)料、料位檢(jian)(jian)查、測力、檢(jian)(jian)重、包(bao)裝等。下(xia)表(biao)是衡(heng)(heng)器(qi)分類。 衡(heng)(heng)器(qi)原(yuan)理：