Discussion on output statistic and classification of coatings in China;
浅议我国的涂料产量统计与涂料分类
The paper introduces the suction tube position monitor and the production calculation system that were Chinese made and designed.
挖泥船上的疏浚仪表和自动化设施长期依靠进口 ,从而影响了我国在国际市场上的竞争能力 ,本文仅就我国自行设计的耙管位置监视器和产量计算系统作一介