Hypo: Abbreviation for sodium hyposulphite, a chemical used to fix photographic images after development.大苏打: 英文是硫代梳酸钠的简称.是显影后把照相影像定影的化学剂.This paper studied the process parameters in sodium hyposulphite slight bleaching ...
宣传折页是PDF格式的。The leaflet is in PDF format.但由于折刀的往复运动, 造成折页速度较慢 、 维修困难.However, as the SAF reciprocating motion, resulting in the hinge - slow, maintenance difficulties.定量较重和较轻的纸都必须采用较低的 折页 速度.Quantitative heavy and lighte...