Features lapped spool and sleeve assembly.
功能重叠阀芯和套筒组装。
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。
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。
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