将平面的帽舌加工成拱形的设备。
此时我看见了成拱形的树干，我拍了这张相片。
The moment I saw the arching tree trunks, I took this picture.
另一面的管道地板是没有漆过的木板，两边是窄窄的砖墙。三尺宽的天花板弯曲成拱形。看上去像一个横放着的烟囱。
The crawl space beyond had a floor of unpainted, unvarnished wood, and narrow walls of brick. The three-foot ceiling was curved in an arch. It looked like a chimney lying on its side.
应用推荐