1. 配料 (raw-material proportioning) 2.炼胶(初炼和精炼) (mixing and refining of rubber compounds) 3.生产成型 (production and formation ) 4. 二次硫化 (secondary cure)
答：One of my colleagues retired with a pension of 2237 yuan last month. However, be...详情>>
答：He is one of my students.详情>>
答：书面可用"high salary", 口语常用"fat salary", 美国俚语中还有用"man-size[man-sized]salary" Details...详情>>
