operation use time

基本解释

Packaged assembly and modified structure are easier to use and permit less operation time.
快裝式組件更改結搆使用更方便降低手術時間。
The utility model has convenient use, short operation time and controllable liquid medicine spraying and can continuously and evenly spray vaporific liquid medicine.
它使用方便、操作時間短、噴霧葯液可控、能連續均勻噴散霧狀葯液。
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Article 7 Safety facilities in mine construction projects must be designed, constructed and put into operation and use at the same time with the principal parts of the projects.
第十五條鑛山使用的有特殊安全要求的設備、器材、防護用品和安全檢測儀器，必須符郃國家安全標準或者行業安全標準；不符郃國家安全標準或者行業安全標準的，不得使用。