valve oil shield的意思|示意
阀防油罩
valve oil shield的网络常见释义
阀防油罩 ... 阀防油罩 valve oil shield 球状阀注油器 ballvalveoiler 放泄阀泄水阀泄油阀 drainingvalve ...
valve oil shield相关短语
1、 valve stem oil shield 气门杆润滑油防护板
2、 engine support oil shield valve 发动机阀
valve oil shield相关例句
A calibration valve oil for hydraulic shield safety valves was formulated by a base oilobtalned from the distillate of a deep-refining paraffinic crude with qualified additives.
以深度精制的石蜡基馏分油为基础油，添加具有改善油品性能的添加剂研制了液压支架安全阀校阀油。