36. 2117 鋁合金熱處理方法為:
(A) By the manufacturer and do not require heat treatment before being driven.
(B) By the manufacturer but require reheat treatment before being driven.
(C) to a temperature of 910 to 930 degrees F and quenched in cold water.
(D) to a temperature of 910 to 930 degrees C and quenched in cold water.
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統計: 尚無統計資料
統計: 尚無統計資料