1前言时间定格在2014年7月4日8时42分。一捧晶莹的尿素,满腔哽咽的心绪,太多的艰辛化作雷鸣的掌声和激动的欢呼声,肆意地在湛蓝的天空中奔涌……出尿素啦!出尿素啦!所有的人都奔走相告……在这块曾经黄沙遍野的土地上,泸天化检修分公司维保员工和其他建设者一起,披星戴月,废寝忘食,用智慧和汗水,把一套年产40万t合成 1 Preface The time is fixed at 08:42 on July 4, 2014. A handful of crystal urea, full of choking mood, too much hardship into thunderous applause and excited cheers, wantonly surging in the blue sky ... ... out of urea! Out of urea! All people are running phase Report ... ... In this once sandy land, the maintenance branch of Lutianhua maintenance workers and other builders, with the stars, sleepless nights, with wisdom and sweat, put an annual output of 400,000 t synthesis