chalk mill
... chalk holder 粉笔盒 chalk line ball 粉线球 chalk mill 白粉磨 ...
基于80个网页-相关网页
增白磨牙粉 whitening tooth powder
石磨白米粉 stone ground white rice noodles
洁面亮白温和磨砂粉 cleansing brightening mild scrub
·2,447,543篇论文数据，部分数据来源于NoteExpress
在消化、吸收引进钛白粉装置的基础上，介绍磨机、结晶器、干燥机、气粉机等设备国产化的情况。
Introduce national customized equipment of grinder, crystallizer, dryer and gas powder machines based on digesting and absorbing technology of importing titanium powder plant from outside China.
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