北方股份北方重工42m（欧Ⅱ）混凝土泵车泵车的优点如下：1. 作业范围广泛：该泵车的有效工作半径长达42米，能够覆盖较大的工作区域，适用于各种施工工地。2. 技术先进：该泵车采用了欧Ⅱ排放标准，拥有先进的液压系统和泵送系统，能够稳定高效地进行混凝土泵送作业。3. 运输方便：泵车采用了卡车底盘，具备较强的动力和稳定性，能够快速灵活地进行运输，适用于各种道路条件。4. 操作简便：该泵车配备了先进的控制系统和操作面板，操作简单方便，使操作人员能够快速掌握泵车的使用方法。5. 施工效率高：泵车具备快速泵送混凝土的能力，能够提高施工效率，缩短施工周期，节省人力成本。6. 施工质量好：该泵车能够保证混凝土的均匀泵送，避免了混凝土堆积和分层现象，提高了施工质量。总之，北方股份北方重工42m（欧Ⅱ）混凝土泵车泵车具备作业范围广泛、技术先进、运输方便、操作简便、施工效率高和施工质量好等优点。

The advantages of the 42m (Euro II) concrete pump truck of Beifang Heavy Industry are as follows: 1. Wide operating range: the effective working radius of the pump truck is up to 42 meters, which can cover a large working area and is suitable for various construction sites. 2. Advanced technology: the pump truck adopts the Euro II emission standard and has an advanced hydraulic system and pumping system, which can stably and efficiently carry out the concrete pumping operation. 3. Convenient transportation: the pump adopts truck chassis with strong power and stability, which can be quickly and flexibly transported and is suitable for various road conditions. 4. easy operation: the pump is equipped with advanced control system and operation panel, which is easy and convenient to operate, enabling the operator to quickly master the use of the pump. 5. high construction efficiency: the pump has the ability to pump concrete quickly, which can improve construction efficiency, shorten construction period and save manpower. 6. high efficiency: the pump has the ability to pump concrete quickly, which can improve construction efficiency, shorten construction period and save manpower. 7. High construction efficiency: the pump has the ability to pump concrete quickly, which can improve the construction efficiency, shorten the construction period, and save the labor cost. 6. Good construction quality: the pump can ensure the uniform pumping of concrete, avoiding the phenomenon of concrete stacking and layering, and improving the construction quality. In a word, the 42m (Euro II) concrete pump truck of Beifang Heavy Industry has the advantages of wide operation range, advanced technology, convenient transportation, easy operation, high construction efficiency and good construction quality.