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我国自六十年代初开始自行设计研究旱地机引铧式犁以来,对其各个方面进行了深入地研究,归结起来为三个大方面。即耕地机组问题、犁的结构问题和犁体曲面问题。近年来山东省农机研究所与有关单位协作研制成功1LS-245D和1LS-245T两种悬挂深耕二铧犁、1LT-630和1LT-630T两种悬挂六铧犁及1LT-427悬挂四铧犁。除1LT-630T悬挂六锋犁外都已鉴定投产。
Since the beginning of the 1960s, our country has designed and studied the dry-machine-type plow in its own right, and has carried out an in-depth study of its various aspects, which can be summed up in three broad aspects. Namely farmland unit problem, plow structure problem and plow surface problem. In recent years, Shandong Provincial Agricultural Machinery Institute and the relevant units to successfully develop two kinds of 1LS-245D and 1LS-245T deep plow two plow, 1LT-630 and 1LT-630T two hanging six plow and 1LT-427 hanging four plow. In addition to 1LT-630T hanging six front plow have been identified for operation.