Therefore, keeping clean in workshop and regulating the metal constitution of rolling machine could reduce the Pb and Cu pollution during tea processing.
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2. 本发明由叩诊锤主干，叩诊锤头、叩诊锤柄，照明灯筒、量尺、U盘和小刀组成为一体；
The percussion hammer consists of a percussion hammer body, a percussion hammer head, percussion hammer handles, an illumination light tube, a scaled rule, a U disk and a knife which are integrated.
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3. 本发明由叩诊锤主干，叩诊锤头、叩诊锤柄，照明灯筒、量尺、U盘和小刀组成为一体；
The percussion hammer consists of a percussion hammer body, a percussion hammer head, percussion hammer handles, an illumination light tube, a scaled rule, a U disk and a knife which are integrated.
