The performance of the homemade double metal cyanation complex ( DMC ) catalysts non - stirred tank reactor heat exchanger.在聚合反应器中考评了自制的双金属氰化络合物催化剂性能.The 1,4 dialkoxynaphthalo 2,3 dinitriles were synthesized from 1,4 nap...
They hold 12350 acres of banana plantations in Dominica.他们在多米尼加拥有12350英亩的香蕉种植园.First to Kai over in the Commonwealth of Dominica.首先是来自多米尼加联邦共和国的凯先生.Christopher Columbus first sights the island of Dominica in the Caribbea...
由四英里长的城墙围着的设防城镇a fortress town enclosed by four miles of ramparts对来自空中的攻击是无法设防的.There can be no real defence against attacks from the air.他们不能让这座城市不设防.They could not leave the city unguarded....
这些工具如长期不用会长铁锈而损坏.The tools will corrode with rust if never used.一层铁锈覆盖了钢板.A scale of rust covered the steel plate.“ 我爸爸那铁锈是从什么地方来的 呢 ?'Where does my father get all that iron rust from?...