997、The topic sentence is then first and most important sentence in a paragraph.

326、The diagram shall be arranged so that the flow of the system can be traced with a minimum of effort.

325、The precision of the gauges must agree with the applicable quality standard.

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

323、温度调节是自动的。

322、等第一层油漆完全干透后再涂第二层。

321、在防滑模块与驻车制动模块之间的高压正常制动回路系统中,建议采用镀镉耐腐蚀钢或镀镉钢接头替代铝接头。

320、The vent scoop and pressure relief valve are on an access door in each surge tank.

319、Acetone is a heavy duty degreaser suitable for metal preparation and removing grease from fabric covering prior to doping.

318、MAKE SURE THAT THE RODS HAVE SUFFICIENT CLEARANCE.

317、对于所有飞机在起飞和飞行中(有可能)发生的所有的发动机故障(包括部分失效),均应提供程序。