hardening carbon 中文意思是什麼
hardening carbon
解釋
硬化碳-
Standard specification for pressure vessel plates, low - carbon age - hardening nickel - copper - chromium - molybdenum - columbium and nickel - copper - manganese - molybdenum - columbium alloy steel
壓力容器用低碳時效硬化的鎳銅鉻鉬鈮和鎳銅錳鉬鈮合金鋼板的標準規范 -
Specification for aircraft material - carbon case - hardening steel
飛機材料規范.表面硬化碳鋼
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