In order to make it safe, the element is electrically insulated.为安全起见,该元件作了电绝缘处理。Not far away were other geothermal wellheads, their natural pressurized steam deflected into huge insulated pipes.不远处是另几口地热井, 它们的天然加压蒸汽输进了巨...
你修过排水槽了吗？Did you fix the gutter?旁边古旧的排水槽, 石头斜向一点——欧洲风格.Beside it run archaic gutters, stones tipped to a point, European style.我家屋顶上有个排水槽.I've got a run on my house roof....