The form preset is used in the present tense and is the past tense and past participle. preset的过去式和过去分词与原形相同。
VERB [usually passive] 预先设置,预调(设备) If a piece of equipment
is preset, its controls have been set in advance of the time you want it to work.
预先设置,预调(设备) View usage for:All yearsLast 10 yearsLast 50 yearsLast 100 yearsLast 300 years