Premises should be carefully maintained, ensuring that repair and maintenance operations do not present any hazard to the quality of products.

厂房的维护工作应细致，以确保在维修和维护保养操作不会危及产品质量。

youdao

Currently, the main business includes: sales agents at home and abroad for well-known brands, providing computer and network products technical advice, repair and maintenance services.

目前，主要业务包括：代理销售国内外多个知名品牌产品、提供计算机及其网络方面的产品技术咨询、维修维护服务。

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For long life cycle and high-complexity products, maintenance, repair and overhaul are the necessary prerequisites for sustainable, efficient and stable operation.

对长生命周期和高复杂度的产品来说，维护维修和大修是保证产品持续高效稳定运行的必要前提。

youdao

It has also meant redefining the business: from offering a vast emporium of maintenance and repair products to providing e-commerce consulting and site maintenance to manufacturers of industrial supplies.

FORBES: Survivor