保养与使用建议 MAINTENANCE
设备的保养和使用 Equipment Maintenance and Usage
商品上使用保养说明书 hang tag
使用保养简单 Use And Maintenance Simple
水泵的选购及使用保养 Zhejiang Rural Elcetromechanization Periodial
使用保养不当 improper maintenance and operation
使用保养条例 regulation for operation and maintenance
纳米珍珠粉胶囊主要是纯珍珠粉，可以全面补充人体所需的矿物质，氨基酸，微量元素，延缓衰老，可以作为长期的健康保养使用。
Nanometer pearl powder is mainly composed by natural pearl powder, which can provide necessary minerals, amino acids, trace elements to delay aging process and serves as long-term health-care product.
飞车研制者之一，美国航天局前工程师表示，该飞车的驾驶和保养都非常容易，能够停进普通的家庭车库，使用的也是普通汽油。
Its creators, which include former Nasa engineers, say the vehicle is easy to keep and run because it can fit into a normal domestic garage and uses regular gas.
他认为，因为客机构造在使用周期内无法替换，其中不包括保养和备用零件，应该利用企业整合来拓展高价值工作。
Because the fabric of an aircraft isn't replaced in its lifetime, they miss out on maintenance and spares orders and should use mergers to expand into higher-value work, he said.
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