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Terms for subject Metallurgy containing | all forms
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主支付的退休养老年金Pension payments by employer
man
employ (For a girder or a ship's plate, a strong but ductile metal is required, capable of being fabricated cheaply and rapidly, and a steel with about 0.2 per cent carbon is employed. 对于钢梁或造船钢板,既需要强度,又需要延性,既需要制作费用低,又需要制作速度快,因此应使用含碳量约为0. 2%的钢。)