324、通气油箱排放单向活门是在 1 号和 2 号主油箱外侧油箱端部肋上

1137、涡轮通过减速齿轮转动，向高压轴施加扭矩，从而驱动发动机和飞机附件。

1136、Note is an operating procedure，inspection, repair or maintenance condition, etc , which is deemedessential to highlight.

1135、Reinforcement plates make the lap joints stronger.

1134、Center of gravity is the point at which an airplane would balance if suspended .Its distance from thereference datum is： found by dividing the total moment by the total weight of the airplane.

1133、语音记录器组件的外壳具有以下特性：防水、耐冲击和耐热。

1132、The aircraft and engine manufacturers recommend that you do not weld engine components whenthe engine is installed on the airframe.

1131、For the Calibration step , the coupler asks the transceiver for another brief bust of tune power.

1130、临时用一些辅助螺丝来组装这个部件。

1129、Put clamps on the cable to hold it in position.

1128、 Warnings and cautions shall precede the text to which each applies，but notes may precede or followapplicable text depending on the material to be highlighted.