... 机械耙 mechanical rake; power hoe 机械瓣 mechanical valves 机械泵 mechanical pump; rotary pump ...
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Mechanical valves have been widely used in the current artificial heart valve replacement due to the better durability.
机械瓣由于较优良的耐久性而在目前的人工心脏瓣膜置换术中被广泛采用。
参考来源 - 生物陶瓷材料羟基磷灰石的生物相容性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Mechanical valves were used in 22 cases, and bioprothetic valves in 2 cases.
进口机械瓣替换22例，进口生物瓣替换2例。
Mechanical valves last longer than tissue valves, but they increase the risk of other complications.
机械瓣使用时间长于组织瓣膜，但是它增加了其它并发症的风险。
Moog valves contain either a mechanical or electrical feedback mechanism.
穆格阀包含一个机械或电反馈机制。
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