stowing weight
试验证明，采用三甲酸铝为鞣剂，成品革在面积得革率、单位面积重量、紧实性以及耐老化性等方面都具有优越的性能。
And tests showed that there are considerable advantages for aluminium triformate in area yield, area weight, firmness properties and ageing stability.
youdao
应用推荐
模块上移
模块下移
不移动