The machinery requires constant maintenance.

这些机器需要经常保养维修。

youdao

The building's skin allows the inclusion of pigmentation and oxides, and doesn't require constant maintenance.

建筑外表皮加入了一些色素和氧化物，这样就不需要长期的维护。

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To succeed online, augment your website with offline and online promotion along with constant maintenance of your site.

要想取得在线营销的成功，你必须在线上线下营销的同时对你的网站做好长期维护。

youdao

Even though the Sava River bridge is in operation, it requires constant maintenance and reinforcement.

CNN: Bosnia begins peaceful 1996

The cathedral now requires constant maintenance.

BBC: The spirit of the Italian Lakes

Before, students had to make one of two choices: to practice constant vigilance and maintenance of their public profiles online or risk exposing their sharing, web-surfing habits and communication with friends to their professors, employers and parents.

FORBES: Students, SnapChat, Wickr: Staying Private and Productive Online