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机组在一个行程内完成几种作业有利于及时完成田间作业,提高单位面积产量。联合作业减少了机具在田间的通过次数,可减少对土壤的破坏,缩短工作时间,提高劳动生产率,减少水份损失和节约劳力。联合作业可用几种单一作业机,或研制能同时完成几种作业的专用机来完成。法国于阿尔公司生产的联合作业专用机架(见图1)就属于前者。它的优点在于每 25
The unit to complete several operations in a trip is conducive to timely completion of field operations, increase unit area production. Joint operations reduce the number of passes through the field, reduce soil damage, shorten working hours, increase labor productivity, reduce water loss and save labor. Collaboration can be done with several single work machines or with a dedicated machine that can do several jobs at the same time. The French company in Alcoa production of joint operations dedicated rack (see Figure 1) belongs to the former. Its advantage is that every 25th