AESA's open systems architecture incorporates commercial off-the-shelf components and is anticipated to be more affordable and require maintenance only every 10 to 20 years.

AESA的开放式系统架构合并了商业现货的组成部分，更具经济可承受性，每隔10年到20年才需进行维护。

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Though coating paint had been used to prevent the corrosion, the period of maintenance only lasted 3-4 years.

虽然采用了涂料保护，闸门的检修保养期也只有3 ~4年。

youdao

Though coating paint had been used to prevent the corrosion, the period of maintenance only lasted 3-4 years.

虽然采用了涂料保护，闸门的检修保养期也只有3 ~4年。

youdao