词汇	小宗商品
释义	小宗商品 small quantities of goods小宗
随便看	mechanical-optical comparator mechanical optical sound recording mechanical-optical sound recording mechanical optical switch mechanical-optic deflector mechanical optics mechanical optimal design mechanical optimization design mechanical optimum design mechanical or acoustic measurement of frequency mechanical or acoustic vibration mechanical organ Mechanical organization mechanical orienting tool mechanical origin mechanical orthodontic appliances mechanical oscillating conveyor mechanical oscillating wave mechanical oscillation mechanical, oscillation mechanical oscillations mechanical oscillator mechanical oscillograph mechanical output me-chanical output