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????. ??. 796,000 700,000. -12.1. -3.4. -22.3. ??? ??. ???. ? ... : ?? 12?? ?? ????? -10% ??? ????? ??. ?? ...
???? (010130)???? TD(Troika Drive) ????(??: ??). ?: ??? ?? ... ???? +10?+20% ?? ?? ??. ???? +10?-10% ?? ?? ??. WORLD CHINESE JOURNAL OF DIGESTOLOGY Shijie Huaren ...Tsutomu Hashimoto, Wakayama Medical University; Dr. Teruo Ishibashi, Asama General Hospital; and Dr. Katsuhiro. Fukuda, Kurume University School of Medicine. 20200602140413_219.pdf - ?????509~514, (1959). 19) MARUYAMA, M.: Difference in the slip between wheel tractor and crawler tractor used for rotavator operation on forest-land (in Japanese) ...
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