管件类： 弯头、三通、四通、活接头、卜芯、大小头、管帽、堵头、内丝、外丝、翻边、异径管。
Pipe series: Elbow, tee, cross, movable joint, Bu core, reducer, pipe cap, choke plug, inside the wire, outside the wire, turned-over edge, increaser etc.
除了组块形成外，前期还以微管环和肌动蛋白丝的形成为特征。
In addition to phragmosome formation, preprophase is characterized by the formation of a ring of microtubules and actin filaments.
喂丝机是炉外精炼设备之一，它对提高钢的质量具有十分重要的意义。
Metal thread feeding machine is one of the refining equipment outside the steel-making furnace, which is quite important to improve steel-making quality.
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