1869. This category of technical verbs is only for descriptive texts such as general information, system description and operation texts, and the descriptive parts of service bulletins
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1494. 最大允许误差5 毫米。
1493. Use gloves when you touch parts with edge serrations
1492. Connect tow bar to nose landing gear
1491. Keep the backup file in a safe area
1490. 谁该干这项工作,这个问题需要考虑。
1489. Initial stall tests and other dynamic maneuvers have been run, as well as an extensive check-out of the airplanes systems
1488. Install the forward cargo compartment aft bulkhead center panel
1487. The Table of Contents required by paragraph 09 of this Specification may be in the form of a log ( ) of the Supplements
1486. 这个程序这时不适用。
1485. This boiler controller is applicable to all systems thus, it can also control thermal oil heaters
