... oil charge valve 充油阀 injector valve 喷油嘴针阀 oscillating thermionic valve 振荡热离子真空管 ...
基于61个网页-相关网页
... 喷油嘴偶件inject nozzle matching parts 喷油嘴针阀nozzle needle valve 喷 烟草开沟培土机 油嘴针阀体needle valve body ...
基于54个网页-相关网页
短语
喷油嘴针阀体
nozzle needle valve body
;
needle valve body
·2,447,543篇论文数据,部分数据来源于NoteExpress