vertical test

• 正交试验

vertical test的用法和样例：

例句

1. The retanning and fatliquoring technology of the inferior wet blue cattlehide had been studied by way of the orthogonal test.
   本文通过探索性试验及正交试验研究了采用质次黄牛蓝湿皮生产鞋面革的复鞣加油技术。
2. The concrete water reduing agent was synthesized with solid benzofuran resin,and by means of the orthogonal test method the experiment parameters were well determined.
   以固体古马隆树脂为原料合成混凝土减水剂，并用正交试验法优选试验参数。