该词条未找到_海词词典

您要查找的是不是：

The catalytic activity was stable after 36 hours on stream, and the presence of Fe in the catalyst promoted the growth of CNF. 结果表明 ;镍铁系列催化剂具有较好的催化活性 ;在反应36h内没有失活 ;催化剂中Fe的存在有利于提高纳米碳纤维的产率 .
The new plant comes on stream in March. 新工厂将於三月份投产。
The factory is due to come on stream next year. 这工厂计划明年投入生产。
The London bus departs every hour on the hour. 伦敦的公共汽车每小时零分开出一趟。
The refinery could be on stream within three or four weeks. 提炼厂可在三四个星期内开始生产。
Sometimes we work for 24 hours on end. 有时我们连续24小时工作。
We studied for final exams for hours on end. 我们连续花了好几小时准备期末考。
She could sometimes talk away for hours on end. 有时候她可以连续不断地谈上几个小时。
Spent many laborious hours on the project. 这项工程耗费了长期的艰辛劳动
She spent an hour on her toilets. 她花了一小时梳妆打扮。
He used to roam the street for hour on end. 他过去常逛大街，一逛就是几个小时。
The new computer system comes on stream next month. 新的计算机系统下月投入使用。
The chairman expatiated for two hours on his plans for the company. 董事长用两小时阐述了公司的规划。
A new power plant is soon to go on stream. 一座新的电厂即将投入运行。
On July third; every hour on the hour. 在七月三日这一天; 时时刻刻
The prime minister held forth for hours on the success of his government. 首相就政府取得的成就，滔滔不绝地讲了几个小时。
The gardener could graft as many as twenty cuttings an hour on to briar stems. 这位园丁每小时可以嫁接多达20根枝条到石南茎上去。
Taining Prefecture on stream in the northern part of Lake upstream. 上清溪位于泰宁县东北部，金湖上游。
The old lady has cried for two hours on end. 那老妇连续哭了两个小时了。
His tale ran for 2 hours on his only son. 他谈起他的独生子，一谈就是2小时。