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绝缘管 两端开口(薄壁);外径 (mm), Al-23 Insulating Tube

Al-23鱼脊状珠;外径 (mm), Al-23 Fish Spine Beads;OD (mm)

Al-24坩埚, Al-24 Crucible

Al-23坩埚, Al-23 Crucible

Al-23 Boat;L1 (mm)

Al-23无孔圆盘;外径 (mm), Al-23 Round Disc Without Hole;OD (mm)

玻璃碳球粉末, Glassy carbon spherical powder