technology investigation

• 工艺研究

technology investigation的用法和样例：

例句

1. Veneer dyeing technology of the hardwood species.
   几种阔叶树木材单板的染色工艺研究。
2. Extracting Technology of Total Flavones in Leaf of Hippophae rhamnoides L.
   沙棘叶总黄酮提取工艺研究。