Through R & D on the preparation of black weeding mulching film, the adequate recipe of black masterbatch and the manufacturing technology of black weeding mulching film were developed.
通过对黑色除草地膜的研制,找到较为合理的黑色母粒的配方以及黑色除草地膜的生产工艺。
A river of western European U. S. S. R. rising in the southwest Ukraine and flowing about853 km(530 mi) generally southeast to the Black Sea.
布格河西欧的一条河流,位于苏联乌克兰西南部,全长853公里(约530英里),主干向东南流入黑海。
A city of southern European U. S. S. R. on the northeast shore of the Black Sea. It is a popular health resort. Population, 310,000.
苏联欧洲部分南部的一座城市,位于黑海的东北部海岸,是一个受欢迎的疗养地。人口310,000。
The northern arm of the Black sea in southern European U. s. s. R. the shallow sea has important fisheries.
黑海的一个北部海湾,位于苏联欧洲部分南部,浅海有重要的渔场。
A region and peninsula of southern European U. S. S. R. on the Black Sea and Sea of Azov.
前苏联欧洲部分南部的一个行政区和半岛,位于黑海和亚述海沿岸。
A region of southeast European U. s. s. R. between the Black and Caspian seas.
苏联欧洲部分东南部的地区,位于黑海与里海之间。
A region of southeast European U. s. s. R. between the Black and Caspian seas.
苏联欧洲部分东南部的地区,位于黑海与里海之间。
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