preparationsn.准备,准备工作,配制剂(名词preparation的复数形式)
preparationn.准备;预备;配制
preparation of programs程序设计
preparation of documents编制文件,填发票据
preparation for callouse麻醉制剂
preparation of statement报表编制
preparation proce-dure制备工艺
preparation for moulting小包装的(分割)牛肉
preparation technologies制备工艺
preparation of injection体外抑菌作用
Preparation of intestine肠道准备
preparation of sol-gel溶胶-凝胶制备