“焦油”造句
2024年05月28日 13:20:08
顶盖必须用
焦油纸或塑料封闭.
The pit cover should be sealed over with tar paper or plastic.
泥煤
焦油的性质和由木材干馏所得到的
焦油的性质相似.
Peat tar has similar properties to the tar derived from the destructive distillation of wood.
以工业副产物木素磺酸和
焦油酚为主要原料研制出一种新的合成鞣剂.
A new syntan product prepared with tar phenol and lignin sulfonic acid.