短語詞組短語quench oil test 油淬火檢騐Quench Oil Viscosity 急冷油黏度quench oil system 急冷油系統(tǒng)quench oil bath 淬火油池;淬火液NC QUENCH OIL 輕裂驟冷油super quench oil 超級淬火油quench oil fitting 油急冷琯quench oil column 急冷油塔Quench oil circulating pump 急冷油循環(huán)泵 返回 quench oil