self-preparation

self-preparation什么意思,self-preparation翻译

基本解释

网络: 准备迎接随时的挑战

例句

• the construction ratio: I construction engineering requirements, self-preparation # 425 ordinary portland cement.

  施工配比：俺施工工程要求，自行配制#425普通硅酸盐水泥。

• The ethylene glycol antimony solution of self-preparation in PET plant

  聚酯装置自行制备乙二醇锑溶液