Machine mouldmakers and coremakers set up, adjust and operate various mouldmaking and coremaking machines to make sand and ceramics moulds and cores.
机器模具铸造工和核心制造者设立，调整和经营各种制模机和制芯机，制造砂，陶瓷模具和核心。
Today ultrasonic machining is a good method to machine hard and brittle material, such as glass, diamond, engineering ceramics.
超声加工是目前加工玻璃、钻石、工程陶瓷等硬度高、脆性大材料的一种比较好的方法。
They can also be used to machine inorganic materials such as ceramics and synthetic fibres with high precision.
也适用于陶瓷、合成纤维等非金属材料工件的精密加工。
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