This paper narrates the preparation of environment friendly alkyd antirust coatings with ferrotitanium complex antirust pigment. 叙述以复合铁钛防锈颜料,开发环保型醇酸防锈涂料的研制过程.
快速开展工作的伯明翰警方已经开始发现间接证据。Fast work by the police in Birmingham had started producing circumstantial evidence.庆祝牙买加节的准备工作正开展得如火如荼。Plans are rolling full steam ahead for the Jamaica Festival.蒙特利尔将要开展市政设施的翻新改良工程。The retrofit ...