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1898 Sir Henry Bessemer, English metallurgist and inventor of an economical process for converting cast iron into steel in 1856, died at the age of 85.
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1856年发明酸性底转炉经济炼钢法的英国冶金学家亨利·贝西麦爵士逝世,终年85岁。 |
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1898 U.S. forces extended along America's frontier to defend settlers.
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美军沿美国边境进行部署以保护边民。 |
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18W/24W high power LED street light. With metal exterior casing.
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24W高功率LED投射灯,具金属外壳,质感佳。 |
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18[bbe] Where they put him on the cross with two others, one on this side and one on that, and Jesus in the middle.
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他们就在那里钉他在十字架上,还有两个人和他一同钉着,一边一个,耶稣在中间。 |
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18th-century Italian architects and theatrical designers.
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18世纪义大利建筑师和舞台设计师家族。 |
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19 Belt filters have become the most popular sludge dewatering device in new installations.
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带状过滤已经成为在新设置中最普遍的泥浆脱水装置。 |
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19 Guell JL,Muller A.Laser in situ keratomileusis(LASIK) for myopia from -7 to -18 diopters.J Refract Surg 1996;12∶222-228.
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18王铮,陈家祺,杨斌.准分子激光屈光性角膜切削术与激光原位角膜磨镶术治疗中低度近视的对比.中国实用眼科杂志1996;12∶713-716. |
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19 If you desire us to insure against a special risk, an extra premium will have to be charge.
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如你方想投保特殊险别,将向你方收取额外保费。 |
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19 June 2007 - Polyester staple fiber prices began Tuesday bottoming out in China after paraxylene last Friday rebounded on Asian spot market.
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2007年6月19日--自上周五亚洲现货市场对位二甲苯反弹后,中国涤纶短纤价格星期二开始降到最低点。 |
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19 June 2007- Nylon prices were slightly down in the past month in China, possibly prefiguring a more serious decline.
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2007年6月19日—中国在过去一个月中尼龙价格略有下跌,可能预示会更严重下降。 |
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19 Learning without thought is labor lost;thought without learning is perilous.
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学而不思则罔,思而不学则殆。 |