n.缩放比例，刮治术，定标，洁治
Suitable for truck scall track scale, and other special scales for weighing or force measuring.
可用于制造各种电子汽车衡、轨道衡、料门秤及各种专用衡器,适用于重量,力值测量的各个领域.
汉字吧hanzi8.com