【机】 镍铬钢nickel-chromium steel
镍铬nickel-chromium
镍铬合金片nickel-chromium alloy plates
镍铬铝热电耦nickel-chromium aluminium thermocouple
镍铬钢nickel-chromium steel
软质镍铬合金片soft nickel-chromium alloy plate
镍铬合金片nickel-chromium alloy plate
镍铬合金nickel-chromium alloy