Similar to the paper chromatography except that the rod and the rack are not necessary.
仪器和操作过程和纸色谱相似，除了不用支架和杆子外。
A pin rack driven device for sinter circulate cooler was presented in this paper.
介绍了一种烧结矿冷却环冷机销齿驱动装置。
A dual rack paper-pushing device on paper cutting machine.
切纸机的双齿条推纸机构。
A dual rack paper-pushing device on paper cutting machine.
切纸机的双齿条推纸机构。
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