...item writing, accurate image explain the problem, and the...
a3000m半潜式海洋平台局部结构 3000m partly dives the type sea platform partial structure[translate] apaper tape wrap 50% lap 纸带套50%膝部[translate] a我们不能乱扔垃圾,不能在公共场所喧哗,不浪费自然资源,不随地吐痰,不扔纸屑 We cannot throw trash, cannot clamor in the public place, does not ...