Three-point-linkage for agricultural tractors--Dimensions of linch pins：農(nóng)業(yè)拖拉機三點懸掛裝置鎖銷尺寸

23 GB/T 4329-1984 農(nóng)業(yè)拖拉機三點懸掛裝置鎖銷尺寸 Three-point-linkage for agricultural tractors--Dimensions of linch pins | 24 GB/T 6229-1995 手扶拖拉機試驗... | 25 GB/T 6236-1986 農(nóng)業(yè)拖拉機駕駛座標志點...

General specifications for forestry wheeled and tracklaying tractors：林業(yè)輪式和履帶拖拉機通用技術條件

海帶養(yǎng)殖夏苗苗種 Cultivation of lamin... | 林業(yè)輪式和履帶拖拉機通用技術條件 General specifications for forestry wheeled and tracklaying tractors | 林業(yè)輪式和履帶拖拉機試驗方法 Test methods for forestry...

Test methods for forestry wheeled and tracklaying tractors：林業(yè)輪式和履帶拖拉機試驗方法

林業(yè)輪式和履帶拖拉機通用技術條件 General specifications for forestry wheeled an... | 林業(yè)輪式和履帶拖拉機試驗方法 Test methods for forestry wheeled and tracklaying tractors | 赤霉素原藥 Gibberellins te...

Tractors have revolutionized farming：拖拉機革命化了農(nóng)業(yè)

819.if you have cows you have to get up early to do the milking. 如果你... | 820.tractors have revolutionized farming. 拖拉機革命化了農(nóng)業(yè). - | 821.in the united states ,there are many factories for maki...

Tractors have revolutionized farming：拖拉機革新了耕作方法

819. If you have cows you have to get up early to do the milking. 如... | 820. Tractors have revolutionized farming. 拖拉機革新了耕作方法. | 821. In the United States, there are many factories for maki...

Tractors have revolutionized farming：拖拉機革新了農(nóng)業(yè)方法

819. If you have cows you have to get up early to do the milking. 如... | 820. Tractors have revolutionized farming. 拖拉機革新了農(nóng)業(yè)方法. | 821. In the United States ,there are many factories for maki...

Tractors wheeled：輪式拖拉機

2410 Tractors full track low speed 低速軌道式拖拉機 | 2420 Tractors wheeled 輪式拖拉機 | 2430 Tractors track laying high speed 高速拖拉機

small tractors：小型拖拉機

Degree of mechanisation on farms. Indicate percentage of farms using耕地里使用機械化水平.標明使用下述措施的比重: | small tractors小型拖拉機 | 3 wheel tractors三輪拖拉機

Tractors, crawler：拖拉機,覆帶式的

4550022 Shovels, hydraulic 挖土機,液壓的 | 4550024 Tractors, crawler 拖拉機,覆帶式的 | 4550025 Tractors, pipe handling 拖拉機,用于管道裝卸

wheel tractors：三輪拖拉機

small tractors小型拖拉機 | 3 wheel tractors三輪拖拉機 | hand-held tractors手扶拖拉機