scale of reduction

丝锁气压计... ... "木炭硬度计"," Scale of hardness of woodcharcoal" "缩尺"," Scale of reduction" "介壳虫"," Scale-insect" ...

测量学专业词汇英语翻译（十五） ... 缩小，减薄，还原，简化 reduction 缩小比例尺 scale of reduction 缩小晒像机 reduction pr…