... needle-slot screen 细缝筛 needle stem 喷针杆，针阀杆 needle thermocouple 针形热电偶，针形温差电偶 ...
基于16个网页-相关网页
... 浮针阀 float needle valve 针阀杆 needle shaft; needle stem 针阀簧 needle valve spring ...
基于8个网页-相关网页
nozzle needle stem 喷嘴针阀杆
needle valve stem 针阀尾杆
·2,447,543篇论文数据，部分数据来源于NoteExpress
The needle valve can be closed through the rotation of a needle stem, and the oil cleaning device can also be driven to lift to clean out carbon deposit in the nozzle.
通过针阀杆的旋转即可以关闭针阀 又可以带动清油器升降，清除喷嘴中的积碳。
youdao
应用推荐
模块上移
模块下移
不移动