Its extra heavy duty bearings are designed to maximize its operational life.

其额外的重型轴承的设计最大限度地发挥它的运行寿命。

youdao

It is their bounden duty for joint stock oil enterprises to supervise their contracted projects so as to ensure operational quality.

股份制石油企业作为施工作业的甲方，对施工作业进行质量监督，保证施工作业质量是其应尽的责任。

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Duty shift will vary among day shift, afternoon shift, night shift or 12 hour duty shift as per operational needs. Overtime is also sometimes required based on operation;

根据工作需要，班次可能会做出相应变化，如白班、下午班、夜班、12小时运行班；根据工作需要有时候要加班。

youdao

In June 2010, Allison announced the dedication of a new hybrid facility, which, once fully operational, will have the capacity to produce 20, 000 commercial-duty hybrid propulsion systems each year.

WHITEHOUSE: Press Briefing