The developed materials through the sand slurry abrasion test have been successfully put into practice in the shell of dredging pump and the cutter piece.
研究证明，该试验机能模拟疏浚工况，已成功应用在挖泥船泥泵壳和绞刀片耐磨材料的磨损试验上。
2
Even sand is two thirds of operation cost of sand filling water cutter, and also must be rapidly produce the work pieces to consume the indirect expenses (labor force, facilities and lease expense).
即使砂料是加砂水刀运行成本的三分之二，也必须快速生产工件以消耗间接费用(劳动力、设施、租赁费用)。
3
It is not important that how long it takes for running the sand-added water cutter per hour.