炉箅子是高炉热风炉的重要部件之一.Furnace grate is a main part of hot blast stove.用于高炉 、 热风炉砌筑刚玉砖、莫来石砖 、 硅线石砖 、 低蠕变高铝砖.Used for corundum bricks, mullite bricks, silicate bricks masonry in blast furnaces, hot air stoves.热风炉是高炉系统中非常重要的设备之一...
We are on the threshold of a new era in astronomy.我们很快就将迎来天文学的新纪元。Here she is on the threshold of womanhood.现在她将迈入成年期。She stood hesitating on the threshold.她站在门口，犹豫不决。...
France Telecom is a textbook model of what can be achieved by a state-owned company.法国电信是国有公司成功的典范。British Telecom agreed to keep overall price increases to 7.5 per cent below inflation.英国电信同意将整体价格增幅控制在低于通货膨胀7.5%的水平。TI h...