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需要使用金属模具和脱模剂例如滑石粉末。
Use a metal mold and a release agent such as talcum powder.
youdao
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这种模具可使塑件自动脱模，大大提高了生产效率。
The mould is separate automatically from plastic, and raise productivity.
youdao
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这种模具可使塑件自动脱模，大大提高了生产效率。
The mould is separate automatically from plastic, and raise productivity.
youdao