您要查找的是不是：
- Upward - unidirectional valve patch 单向活瓣
- Unidirectional valve patch for repair of cardiac septal defects and severe pulmonary hypertension with bi - directional shunt 单向活瓣补片矫治先心间隔缺损合并重度肺动脉高压双向分流
- Have you turned off the water valve? 你关掉水阀了吗？
- We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。
- He soon detected the faulty valve. 他很快查到了出毛病的阀门。
- stacked unidirectional valve 叠加式单向阀
- Unidirectional Valve 单向阀
- The reinforcement was unidirectional. 增强是单方向的。
- Channels can be unidirectional or bidirectional. 通道可以是单向的或双向的。
- An electrical system fed by unidirectional voltage. 由直流电压供电的系统。
- The pump sucks air out (of the vessel) through this valve. 这台泵通过这个阀门把(容器中的)空气抽出。
- First this is an unidirectional adjustment. 首先这是一次单向调节。
- The exhaust valve on my car have burn out three times. 我车子上的排气阀已烧坏三次。
- The exhaust valve on my car has burnt out three times. 我车子上的排气阀已烧坏三次。
- Conversion of alternating to unidirectional current. 整流交流电转变到单向电流
- Composed of a single valve or piece. Used of a shell. 单瓣的由单个瓣膜或部分组成的。用于壳
- Events in the world undeniably form a unidirectional sequence. 无可否认的，世界上发生的事件只有单向的顺序。
- This valve regulates the flow of water. 这个阀门控制着水的流量.
- A small valve or faucet used to drain or reduce pressure, as from a boiler. 泄气阀，小龙头用来排空或降低压力的一种小阀门或小龙头，如锅炉上的
- XLink offers much more than unidirectional linking, though. 但XLink提供的远远不止是单向链接。
