The phosphorated fluid mainly consists of film forming agent, promoter and additive.
磷化液主要由成膜剂、促进剂及添加剂组成。
Protective band, processing layer forming agent, optical film and image visual display device.
保护带，处理层形成剂，光学膜和图像视觉显示器。
Porous permeable bricks were made with gold tailings as the main material and coal gangue as pore-forming agent.
以黄金尾矿为主要原料，以煤矸石作成孔剂，制备了多孔透水砖。
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