英德
有道
百度
谷歌
图片
维基
百科
阀瓣 [fá bàn]
valve clack
- 铸铁截止阀通常采用半插入式青铜阀瓣/阀座结构。
Iron globe valves most commonly use semi-plug bronze disc/seat design. - 即使在大流速下，也能够确保阀瓣和阀座的精确对准。
Assures perfect alignment of disc and seat even at large flow velocities. - 操纵杆和弹簧，也可在旋启式止回阀上配置，能够更加有效地关闭阀瓣，弹簧的拉力可以对阀瓣的压力进行调节。
Lever & spring, also available for swing check valves, provides more positive control in closing the disc. Tension of the spring maybe adjusted to control the pressure against disc.
 |
 |
 |
 |
 |
 |
 |
中国词汇量第二的英语词典
更多精彩，登录后发现......
