短語詞組短語oil cycl -cooling 油循環(huán)冷卻oil -film cooling hole 油膜冷卻孔forced oil -cooling transformer 強(qiáng)迫油冷變壓器forced -oil-cooling transformer 強(qiáng)迫油冷變壓器Oil -cooling pressure circulation 油冷壓力循環(huán) 返回 oil cooling