half ball valve
... 半球形顶盖 hemispherical head 半球形阀 half ball valve 半球形缝 domeslot ...
基于92个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress
泵阀件采用带导向杆的半球形柱塞结构，弹簧制动，精确控制阀球与阀座对中，启闭动作及时。
The pump valve has a structure of semi-spheric plunger with guide rod, and its seat and ball are aligned by means of a spring, and it is opened and closed in time.
youdao
应用推荐
模块上移
模块下移
不移动