A、 When total revisions including left pages , above 60% of the total pages in the manual, a reassure of the manual should not be prepared.
B、 When accumulated revisions including back-up pages, less than 60% of the total pages in the manual, a reissue of the manual should not be prepared.
C、 When accumulated revisions including left pages, less than 60% of the total pages in the manual a revise of the manual should not be prepared.
答案：B
A、 When total revisions including left pages , above 60% of the total pages in the manual, a reassure of the manual should not be prepared.
B、 When accumulated revisions including back-up pages, less than 60% of the total pages in the manual, a reissue of the manual should not be prepared.
C、 When accumulated revisions including left pages, less than 60% of the total pages in the manual a revise of the manual should not be prepared.
答案：B
A. 大翼的主要结构框架包括梁、肋、桁条、燃油箱整体结构、翼尖油箱支撑结构和开口周围结构。
B. 大翼的主要框架包括隔框、肋、加强筋、内部燃油箱结构、翼尖油箱支撑结构和结构周围的开口。
C. 大翼的主要结构包括翼梁隔框、肋条、内部燃油箱结构、翼尖油箱支撑结构和结构周围的开口
A. Clean the ground fuel before starting the engine.
B. Remove fuel from ground before attempting another start.
C. Remove the fuel from t he ground before you try to start the engine again.
A. 面 罩
B. 护目镜
C. 防护服
A. 高温和易燃的液体泄露可能会导致起火,危及飞机安全。
B. 易燃液体会引起火灾,这样飞机就危险了。
C. 易燃流体会引起火灾,危及飞机安全。
A. The airworthiness and safe operation of an airplane is assured if it＇s used as its original design purpose , properly inspected and carefully maintained.
B. The manufacturer is intended to utilize an airplane with sound inspection and maintenance practices because that is the basis for assuring the airplane remains airworthy and safe to operate.
C. The airplane is designed to be used as the manufacturer＇s intention. Users shall properly inspect the airplane and do sufficient maintenance to assure its airworthiness and operation safety.
A. 它等于最大值。
B. 它约等于最大值。
C. 它无限接近于最大值。
A. make sure that there is something in the pipe
B. make sure that there is nothing in the pipe
C. make sure that blockage is in the pipe
A. The forward and aft edges of the windshield has limits , otherwise the bottom and the top edge has not limits.
B. Because of the visibility of the bottom edge of the windshield and the top edge having the bus bar in the way, the forward and aft edges of the windshield will be limited.
C. This will be limited to the forward and aft edges of the windshield because of the bottom edge invisible and the top edge having the bus bar in the way.
A. 能防止自由运动的活塞在套筒中有划痕。
B. 刻痕能阻止活塞在套筒中的自由运动。
C. 刻痕能防止自由运动的活塞在套筒中。
A. 用密封剂填充补片及相邻结构之间的缝隙。
B. 用密封剂填充补片的缝隙,并粘接相邻结构。
C. 在附近的密封结构和补片之间留出空隙。
