二手捞沙船值得购买吗？
     捞沙船是一种长期在水上工作的设备，船体经常性的遭到碰撞，这就是船体部件有了摩擦度，这种情况需要给设备一个过渡期，可以在这个阶段给设备来一个全面的检查和维修。捞沙船要想使寿命更长，它的秘诀是首先要选择正规的厂家，可以保证质量和售后保障。另外要根据自己的场地合理的选择型号。下面来说一下二手捞沙船的优缺点：
     首先是价格，二手的设备价格是占优势的，比全新设备低一半甚至更多，当然，如果遇到性价比高的捞沙船就是赚到了；其次售后问题，二手设备大部分是从个人或是中间商购买的，没有售后保障，出现问题只能自行解决，其次维修故障率比全新的要高一倍甚至更多；还有质量，这是关键的问题，肯定是不如全新的，众所周知的事情，在工作中出现故障，是要自行花费，如果全新的设备在部件在保质期内，厂家会免费更换的；结合这几点问题，建议还是购买的全新设备，或是资金充足后，后期进行购买。

Used for large junk is worth buying?

    For large junk is a kind of equipment on the water for a long term, hull frequent collision, that is hull parts with friction, this kind of situation need a transition period to equipment, can give at this stage to a comprehensive inspection and maintenance of the equipment. For large junk to make longer life, it is the secret of first to choose formal manufacturers, can ensure the quality and after-sale guarantee. In addition to reasonable choice model according to your own site. The following is used for the advantages and disadvantages of large junk:
   First is the price of second-hand equipment price is the dominant, half or more lower than the new equipment, of course, if there are any cost-effective for large junk is made; Second after-sales problems, most from individuals or middlemen buy second-hand equipment, no after-sale protection, problems to solve, only the second repair failure rate is higher than the new times even more; And quality, this is the key problem, is certainly not as good as new, as is known to all, a failure in the job, is to spend on their own, if the new equipment parts in the warranty period, the manufacturer will free replacement; In combination with this problem, suggestion or to buy new equipment, or well-funded, late to buy.