根据全国农業發展的需要与国家資源及工業現狀的条件,目前农業上所用的各种型式的排灌机械尚远不能适应我国农村的情况。像电力水泵由於电源的限制,在全国电气化以前,就不可能在我国辽闊的水田內普遍採用。至於热力水泵,包括蒸汽、柴油或煤气發动机及其所带动的抽水机,則在农村条件下,由於机械运用与修护的繁杂,熟練技术人 According to the needs of national agricultural development and the conditions of national resources and industrial status quo, the various types of irrigation and drainage machinery currently used in agriculture are far from being able to adapt to the situation in rural China. Electric power pumps, such as electricity because of the restrictions, in the country before the electrification, it is impossible to widespread use of paddy fields in our country. As for thermal pumps, including steam, diesel or gas engines and their associated pumping units, in rural areas, due to the complexity of mechanical applications and repairs, skilled technicians