... 缓解阀体release valve body 顶杆座push stem seat 手柄弹簧handle spring ...
基于1个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress
When the handwheel is rotated toward the open position the upper stem is moved away from the diaphragms allowing the spring to push the lower stem away from the seat.
当手轮象开启位置旋转时，上阀杆离开横膈膜，弹簧推动下阀杆离开阀座。
youdao
应用推荐
模块上移
模块下移
不移动