purify liquid

• 乙炔

purify liquid的用法和样例：

例句

1. Two series of tolan-type liquid crystals containing terminal cyano group were synthesized.
   设计并合成了一类新型末端氰基取代含氟二苯乙炔类液晶。
2. The development on the process for the recycling of waste liquid coming from the purification of acetylene was introduced as well as its application situation.
   介绍了电石法乙炔装置清净废液的循环回用工艺技术的开发及应用情况。