The first catalytic converters were called conventional oxidation catalysts.最初的转化器叫做常规氧化催化器.Many processes that are essential to the chemical industry use heterogeneous catalysts.很多重要的化学工业过程就是使用多相催化剂的.Catalysts that lowe...
The first catalytic converters were called conventional oxidation catalysts.最初的转化器叫做常规氧化催化器.Many processes that are essential to the chemical industry use heterogeneous catalysts.很多重要的化学工业过程就是使用多相催化剂的.The producing techn...
旅游火了，工作机会多了，个人收入涨了。Tourism is up, jobs are up, individual income is up.仅有几个人回到临近地区工作。Only a handful had returned to work in the immediate vicinity.他们中的4个人去寻求帮助了。Four of them had gone off to find help....
海港的水面上闪烁着绿色和黄色的灯光。Green and yellow lights blinked on the surface of the harbour.树叶在秋日的晨曦中泛出红黄色的光。The fall foliage glowed red and yellow in the morning sunlight.一条黄色的火舌直冲上天。A yellow tongue of flame shot upwards....
Somehow she steadied herself and murmured, 'Have you got a cigarette?'...她设法让自己镇定下来，并小声问：“你有烟吗?”Lovelock eased back the throttles and the ship steadied.洛夫洛克慢慢地拉杆减速，船稳了下来。Chin steadied herself with one hand on t...
However, distant river field also is facing the dilemma with degressive resource.然而, 辽河油田也面临着资源递减的困境.Resource increasing cost of degressive, exploitation, this is the objective law that resource city avoids hard.资源递减 、 开...