15ml试管,试管

厂家直销透明15ml螺口试管瓶
带 span class=h>刻度/span 5 10 15ml 可定制试管 span class=h>
2/0.5/1.5/2/5/7/10/15ml 尖底刻度试管 塑料连盖圆底离心管
华佑15ml尖底尿沉渣试管 密封性能高 厂家直销
博美玻璃具塞试管刻度磨口圆底试管带盖5ml10ml15ml20ml50ml100ml