needle valve的意思|示意

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needle valve相关短语

1、 needle valve seat 针阀座,针状活门座

2、 angle needle valve 弯角针形阀

3、 bar-stock needle valve 杆控针形阀

4、 oil-fuel injector needle-valve 喷油器针阀

5、 auxiliary needle valve 辅助针阀

6、 miniature needle valve 小型针阀

7、 oil pot with needle valve 针阀油杯

8、 nozzle needle valve 喷油嘴针阀

9、 steam needle valve 进口蒸汽针型阀,针型阀