According to Mint's"vent for surplus"theory, development of the economies of Indonesia, the Philippines, and Thailand from the nineteenth century on depend... Y Hayami - 《Policy Research Working Paper》 被引量: 25发表: 2000年 Traditional Elites : Agricultural Productivity and the Persistence of...
The outlet position of the pump can be installed and used by rotating 8 different angles at 45° intervals as required. Type notation: For example 4/3 C --AH AH-- slurry pump C -- frame form 3 -- discharge diameter (inch) 4 -- suction diameter (inch) Construction ...