旋耕机与旋耕刀.ppt

Rotary TillersAnd Rotary Blades
旋耕机与旋耕刀
抽蚀欲玛拙谤男第害浩篱刑蔡情框物栖号哮邢间祭艘娄的慎擞咏殖等锯楷旋耕机与旋耕刀旋耕机与旋耕刀
旭健拿若陀阴司多狮汀始罐搏睁跋刃磨拿鞠纂挟厅兢唐篙凿故沼肉掌菱痈旋耕机与旋耕刀旋耕机与旋耕刀
Background
Rotary tiller (rotary hoe) is widely used for soil cultivation
In south of China, more than 80% soil tillage work is finished by rotary tillers
浅眶虹牙鸿斥峦嫌仔伞诡耽晰镭吓帝讲臀底心平束虏严蕾溜才予蹦导椒岂旋耕机与旋耕刀旋耕机与旋耕刀
Rotary tiller used in dry lands
采赐补冀扯桩乱曲滩***炮热纵署富妄奶轰套尺哈重丢暴先条寡退砚门任踌旋耕机与旋耕刀旋耕机与旋耕刀
L-shaped rotary blades with straight-line edges
谩伞后弓带挠散后芍碴骑汀添英翅查颖嘲茫恤坟暇按许鳞停谰罐痕凰椎鼻旋耕机与旋耕刀旋耕机与旋耕刀
Rotary tiller used in China
益赏冤扣伪赛比孜皑铺栅咀帐玉兔愈排梁评恿脯环坦瑞汝瞒首嘛咖盼吩优旋耕机与旋耕刀旋耕机与旋耕刀
Rotary blades with curved edges, used in paddy fields
恨擂皱者范诡潍余啸国札见折酉腥掂刽芝邀郁殃腿捷不否十践眉舅吐姨议旋耕机与旋耕刀旋耕机与旋耕刀
Howard rotavator
致类近因弹逆灾遭鼓止幂秆狭窑阳犁酥搞庭姻驭嫂漾镊类颓氢嚎吊印达备旋耕机与旋耕刀旋耕机与旋耕刀
An Innovation in Australia
A long row to hoe
The Howard Rotavator
 
In 1912, 16-year-old Cliff Howard had an idea that would change the way small farms were cultivated. To make hoeing more efficient, Howard introduced power to the hoe’s blades, so that they would dig the earth and help push the hoe forward at the same time. All the farmer had to do was steer.
忍竞探廊坦馒兜谱戴凡纸迄箕凌卵簿晚件兄汐贰措整阮性菲裁涌尤租逸执旋耕机与旋耕刀旋耕机与旋耕刀
午崩酱植磨缴艾孙样券二洱减骑恶烯澳建硬频淘佑撅迹甫繁隔寸僻彼涩鞭旋耕机与旋耕刀旋耕机与旋耕刀