阀芯

阀芯 [fá xìn]

1. ■ spool

---

常用词组

1. ■ 阀芯表面 spool face;

2. ■ 阀芯端面 spool end;

3. ■ 阀芯腔 spool chamber;

4. ■ 阀芯台肩 spool land;

5. ■ 阀芯位移 spool displacement; spool travel; spool traverse;

6. ■ 阀芯位置 spool position;

7. ■ 阀芯行程 spool stroke