320、The vent scoop and pressure relief valve are on an access door in each surge tank.
答案解析
解析：
相关知识点：
调压箱检修门有 vent 和阀
相关题目
1141、安装天线时，对齐箭头必须朝前。
1140、A value of 2 mm is permitted.
1139、All text shall be prepared in one or two columns with justification at the discretion of the manufacturer, however, two columns are preferred for ease of reading.
1138、If desired, the manufacturer may include more than one airplane model in the Maintenance Manual.
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.
