玛瑙研钵和棒, Agate Mortar and Pestle

微孔样品管, Thin-Bore Sample Tube

美国标准筛, USA Standard Sieve

美国标准分子筛, USA Standard Sieve

Al-23管(两端开口);外径 (mm), Al-23 Tube (both ends open);OD (mm)

Al-23 Tube

Al-23多孔管, Al-23 Multibore Tube

Al-24坩埚, Al-24 Crucible

Al-23坩埚, Al-23 Crucible

Al-23 Boat;L1 (mm)