二手撈沙船值得購買嗎？
     撈沙船是一種長期在水上工作的設備，船體經常性的遭到碰撞，這就是船體部件有了摩擦度，這種情況需要給設備一個過渡期，可以在這個階段給設備來一個全面的檢查和維修。撈沙船要想使壽命更長，它的秘訣是首先要選擇正規的廠家，可以保證質量和售后保障。另外要根據自己的場地合理的選擇型號。下面來說一下二手撈沙船的優缺點：
     首先是價格，二手的設備價格是占優勢的，比全新設備低一半甚至更多，當然，如果遇到性價比高的撈沙船就是賺到了；其次售后問題，二手設備大部分是從個人或是中間商購買的，沒有售后保障，出現問題只能自行解決，其次維修故障率比全新的要高一倍甚至更多；還有質量，這是關鍵的問題，肯定是不如全新的，眾所周知的事情，在工作中出現故障，是要自行花費，如果全新的設備在部件在保質期內，廠家會免費更換的；結合這幾點問題，建議還是購買的全新設備，或是資金充足后，后期進行購買。

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.