The utility model relates to a corundum sieve tube used in the field of oil field and oil well production.
本实用新型涉及油田油井开采领域中用到的一种刚玉筛管。
The utility model discloses a preserved beancurd zymosis sieve, which belongs to the technical field of food processing equipment.
本实用新型公开了一种腐乳发酵筛，属于食品加工设备的技术领域。
The invention relates to the technical field of composite materials, and provides a molecular sieve based composite material for purifying phosphorous acid and a method for preparing the same.
本发明涉及一种复合材料技术领域的亚磷酸提纯用分子筛基复合材料及其制备方法。
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