In general, the speed depends on material hardness of the wear and tear, salaries rod density, the operator of the machine operating proficiency and propeller repair welding alloy used in the quality.
一般说来，磨损快慢取决于原料的硬度、薪棒的密度、操作人员对机器的操作熟练程度及修复推进器所使用的合金焊条质量。
In general, the speed depends on material hardness of the wear and tear, salaries rod density, the operator of the machine operating proficiency and propeller repair welding alloy used in the quality.
一般说来，磨损快慢取决于原料的硬度、薪棒的密度、操作人员对机器的操作熟练程度及修复推进器所使用的合金焊条质量。
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