词汇	buying operation
释义	buying operation 经购进业务
随便看	critical reports critical requirement Critical Requirement Deficiency List Critical Requirements System criticalre reaction time critical research critical residue critical resistance critical resolved shearing stress critical resolved shear stress critical resonator critical resource critical resource factor critical respiratory disease critical response time critical Reynolds numbers critical road elevation critical rock-block mass critical rod configuration critical rod pattern critical roll Critical Rotary Speed critical rotating speed critical rotational speed critical review