除特别说明外， 所有硬件和紧固零件须用不锈钢铸造。
All hardware and fasteners to be stainless steel unless otherwise stated.
用45钢渗硼油淬用来代替传统的45钢铸造生产水箱拉丝机中的塔轮是可行的。
The result shows it is viable that 45 steel ooze boron oil quenching replacing conventional 45 steel found produces tower wheel in water tank drawbench .
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