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1SQ250全方位深松机三种作业方法的比较李乃利赵云中高遇新刘永祥王泽恩(黑龙江省二九○农场绥滨156202)赵桂琴(黑龙江省农垦总局宝泉岭分局二九○农场自1995年全面推广1SQ250全方位深松机,现已达90余台,替代了所有其它型号的深松机械,为实...
1SQ250 omnidirectional subsoiler comparison of three operating methods Li Naoli Zhao Yunzhong Gao Yuxin Liu Yongxiang Wang Zegen (Heilongjiang Province 290 Farm Suibin 156202) Zhao Guiqin (Heilongjiang Provincial Bureau of Reclamation Treasure Spring Ridge Branch 290 farm since 1995 to promote 1SQ250 All-round subsoiler, now has more than 90 units, replacing all other models of subsoiling machinery, in order to be ...