We have 65 type extruder head for example, known as the head assembly size, design requirements, die die sleeve.
我们以65型挤出机机头来举例，已知机头装配尺寸，要求设计模芯、模套。
They are true multi-purpose valves and employ the patented Numatics spool and sleeve assembly.
他们是真正的多用途阀采用专利的纽曼帝克阀芯和套筒组装。
Features lapped spool and sleeve assembly.
功能重叠阀芯和套筒组装。
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