关键词:拖拉机;合理更新期;分析指标;计算方法 [gap=1037]Key words:tractors;rational replacement;index selection; calculation method
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Tractors Power 推土机的力量
Tractors and Auxiliary Equipments 拖拉机及辅助设备
Agricultural tractors 农业拖拉机 ; 农用拖拉机 ; 林业设备 ; 农用设备
United Tractors 联合拖拉机 ; 联合拖拉机公司
Agricultural wheeled tractors 农用轮式拖拉机 ; 农业轮式拖拉机
Agricultural tractors and machinery 农业拖拉机和机械 ; 农用机械和拖拉机
Caterpillar Tractors 履带拖拉机公司
farm tractors 拖拉机
Its attached agricultural machines make good use of the characteristics that there are more small power tractors in the village. Therefore this technique has been widely extended in China.
具有省工、省力、省时、省钱、节能、增产、增收之功效；配套机具充分利用了农村小型拖拉机保有量多的特点，具有良好的推广应用前景。
参考来源 - 期刊学术社区·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
N-COUNT A tractor is a farm vehicle that is used to pull farm machinery. 拖拉机
N-COUNT A tractor is a short vehicle with a powerful engine and a driver's cab. It is used to pull a trailer, such as in a tractor-trailer. 牵引车头
The truck was an 18-wheeler with a white tractor.
这辆卡车有18轮，还有一个白色牵引车头。
The hungry refugees crowded around the tractors.
饥饿的难民们围在拖拉机旁。
Hundreds of tractors will converge on the capital.
成百上千的拖拉机将向首都聚集。
There are new tractors and new ploughs in the machinery lot.
机器设备场里有新拖拉机和新耕犁。
Some farms have replaced buffalos with tractors and many houses boast new extensions and satellite dishes.
VOA: standard.2010.05.14
Some 3,600 firefighters are attacking the flames in steep terrain, using bulldozers, tractors and hand tools.
VOA: standard.2009.09.01
"Tractors are always running," "So we're always burning fuel." Pitt and many other U.S. farmers are concerned that fuel may be can more expensive under climate change proposals that U.S.congress and negotiators in Copenhagenare considering.
VOA: standard.2009.12.12
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