铸造和锻造镁合金的回火标志的英文

standard practice for temper designations of magnesium

• 铸造:    cast-on outwell; f ...
• 和:    mix; blend
• 锻造:    forge; forging; sm ...
• 的:    4次方是 The fourth po ...
• 回火:    tempering; draw th ...
• 标志:    sign; mark; symbol ...