尖底刻度离心管 具塞刻度离心管5ml 10ml25ml 50mla级刻度准

25ml 无菌锥底离心管

定制实验耗材5ml10ml25ml50ml玻璃螺口尖圆底试管离心管带刻适配 5ml

科普50ml离心管选圆底还是锥形底

25ml螺口尖底离心管 无菌