词汇	difficult to cut material
释义	difficult to cut material 难加工材料
随便看	professional consent professional construction professional consuhation system professional consul professional consultant professional consultant for personal diagnose professional consultation professional contact professional content professional contingent professional continuing education professional convergence professional conviction professional cooperation professional cooperation of agriculture professional cooperation organization Professional cooperative professional coordination professional coporation professional core competencies professional core eompetencies professional core technology professional corporation professional corporationphysician Professional Corporationphysician