Barrier fluid reservoir vessels for mechanical seals shall be sized such that make-up time intervals shall be a minimum of 250 hours of operation.
机械密封的密封液盒的大小应能保证至少250小时运行的补充时间间隔？
Conclusions: Early diagnosis and operation in time are the key live-saving points for the patients with acute mechanical prosthetic valve dysfunction.
结论：急性心脏机械瓣膜功能障碍应及时确诊并早期手术以挽救生命。
The locations of the hydrophones from the vessel are recorded in real time while the cables and hydrophones are laid out on the seabed by mechanical equipment in OBC operation.
海底电缆也是采用机械放缆的方式将电缆和检波器铺设到海底，同时记录下检波器离开放缆船的位置。
The combine has wide application range, high mechanical efficiency as well as safe and simple operation, which saves time and labor and is economical and practical.
该联合收获机使用范围广、机械效率高、安全便操、省工省时、经济实用。
Electrical power source based on radionuclide Ni-63 for micro-electro-mechanical systems with operation time in excess of 50 years.
针对运营时间超过50年的微型电子机械系统的基于物理放射性核种Ni- 63的电源。
Electrical power source based on radionuclide Ni-63 for micro-electro-mechanical systems with operation time in excess of 50 years.
针对运营时间超过50年的微型电子机械系统的基于物理放射性核种Ni- 63的电源。
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