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- double rows line seeding 双行条播
- triple rows line seeding 带状三行条播
- Pierced rollers and one double row pin-type cage of steel. 穿孔滚子和一个双列针型钢保持架。
- They came, four by four, down the vast hall between double rows of columns. 她们来了，四个接着四个，走下到两列柱子之间的宽阔大厅中。
- Bearing with two double row inner rings with roller and cage assemblies. 带双列内圈的轴承,内圈带滚子和保持架组件。
- Wrist pin end carried on double row long cylindrical roller bearing. 连杆小端装有双列长圆柱滚子轴承。
- The axial internal clearance of the double row bearings is at least 0,5 mm. 双列轴承的轴向内部游隙为至少0,5毫米。
- By doing so, the sower for line seeding will be of better function, high sowing quality and satisfactorily practical comfort. 改进后的机器降低了故障率，提高了播种质量，操作起来更加方便、舒适。
- The effect of line seeding is better than dibble seeding and broadcast.Irrigation measure has distinguish effect too, especially to the small area deserdification grassland. 灌溉措施对沙化草地植被恢复也具有显著作用，是治理小面积沙化草地的有效措施；
- Classic style wind coat, double rows buttons, the lining can be moved away, and you can wear it in different seasons. 经典款式风衣,红色的衬里带来了完美的视觉冲击,双排扣设计,内里可拆卸,让你在不同的季节都可以展现动人的风采
- Bearing with two single row inner rings and one double row inner ring with roller and cage assemblies. 带两个单列内圈和一个双列内圈的轴承,内圈带滚子和保持架组件。
- Two double row inner rings with roller and cage assemblies; the inner rings are extended at one side. 两个带滚子和保持架组件的双列内圈;内圈在一侧延长。
- Four pionts angle contact ball bearing is separable bearing,it can be subject to bi-directional load and have the function of both single row and double rows bearings. 四点接触球轴承为可分离型轴承，可承受双向轴向载荷，并有单列和双列角接触球轴承的功能。
- All planet gears are mounted on a double row spherical and a single row cylindrical roller bearings. 所有行星齿都安装在一个双排球面和一个单排圆柱滚轴上。
- Self aligning double row spherical roller bearing allows for a higher degree of angular deflection of the drive shaft. 自对正式双列球面滚动轴承允许驱动轴有更高的偏转角度。
- T3 Alley cropping: Double rows of vetiver with mango trees as 1 meter wide hedgerows. Upland rice planted in 5 m wide alleyways. T3巷带种植：两行香根草和芒果树作为1米宽的隔离带。旱稻种在5米宽的行道中；
- wheat and rice sower for line seeding 稻麦条播机
- Bearing with two single row inner rings and one double row inner ring with tapered bore (taper 1:12 or 1:30) with roller and cage assemblies. 带两个单列内圈和一个双列内圈的轴承,内圈带锥形孔(锥度1:12或1:30)、滚子和保持架组件。
- Bearings of the TDO configuration have one double row outer ring, or cup, and two inner rings with roller and cage assembly, or cones (fig 1). TDO配置的轴承有一个双列外圈或称圆锥外圈和两个带滚子与保持架组件的内圈或称圆锥内圈(图1)。
- SKF produces double row tapered roller bearings of the TDI configuration mainly in the designs described in the following. SKF主要按下面说明的设计生产TDI配置的双列圆锥滚子轴承。
