To change this four-way valve will only take five minutes.
换这个四通凡尔只需要五分钟。
Besides, it can also correct the air valve position during air pressure change.
此外还能在预热空气压力变化时自动修正空气阀门位置。
ObjectiveTo investigate Postoperative change characteristics of cardiac size in patients with cardiac valve replacement.
目的探讨心脏瓣膜病瓣膜置换术后心脏大小的变化特点。
Excluded: debris removal, replacement of damaged rubber pad to change the direction of the valve;
排除：清除杂物，更换已损坏的橡皮垫，改变阀片方向；
Maybe we should change the solenoid valve and filter.
需要更换电磁阀和过滤器了。
Maybe we should change the solenoid valve and filter.
需要更换电磁阀和过滤器了。
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