He peers down into the shaft. At the very bottom, maybe 20 feet down, a big ceramicpipe runs the length of the cellblock.
他向下探视竖井，就在底部，大概有20英尺高吧，一根粗大的陶瓷管道毗邻着囚楼。
2
From inner to outside, the composite pipe consisted of alumina ceramic layer, metal transition layer, white cast layer, carbon atom diffusion layer and nodular cast iron layer.
复合管从里到外由氧化铝陶瓷层、金属过渡层、白口铸铁层、碳原子扩散层、球墨铸铁层组成。
3
Coat the exhaust system with ceramic without the catalytic converter OR let it rust out and replace the whole dang thang with stainless steel pipe sections.