This material is variously termed ash, clinker, cinders or slag.这种材料有不同的名称,如灰 、 炉渣 、 煤渣或矿渣.The higher operating costs can be offset against the cement clinker.较高的费用能够靠水泥熟料得到弥补.In 1947 the furnace was lined with clinker s...
The boat was rocking gently to and fro in the water.小船在水中轻轻地来回摇荡。Dark shadows moved across the window as some eavesdroppers strolled to and fro outside.窗外移过几个黑影,有人在外边徘徊,偷听他们的谈话.Trucks and cars shuttling and fro on the hi...