硅青銅	silicon bronze
硅鎮(zhèn)流電焊機(jī)	silicon rectifier welder
硅整流弧焊機(jī)	silicon rectifier arc welder
硅整流弧焊機(jī)	silicon rectifier archway welder
軌道車	rail car
軌距	gauge
貴金屬	noble metal
貴金屬	precious metal
貴金屬催化劑	noble metal catalyst
貴金屬催化劑	noble metal catalyst
輥鍛	roll forging
輥鍛機(jī)	forging roll
輥鍛機(jī)	roll forging machine
滾齒	gear hobbing
滾齒機(jī)	hobbing machine
滾刀刃磨床	hob edge grinding machine
滾刀刃磨床	hob grinding machine
滾點(diǎn)焊	roll spot welding
滾動(dòng)花鍵球籠式萬向節(jié)	ball spline rzeppa universal joint
滾動(dòng)阻力	rolling resistance
滾動(dòng)阻力	rolling resistance
滾鍍	barrel plating
滾對焊	butt seam welding
滾光	tumbling
滾焊	seam welding