609.To attach, connect, or put together the parts of something ( )

328.To attach an item in or to a second item( )

327.IF YOU [ ]THAT THE HYDRAULIC PUMP DOES NOT OPERATE CORRECTLY , EXAMINE THE PUMP( )

326.Though techniques such as shading , crosshatching , screening or similar means are recommended, the use of color is permissible ( )

325.BE CAREFUL WHEN YOU [ ] PRINTED CIRCUIT BOARDS ( )

324.Each Chapter or Section is to start with a general description of the system and its operation and should be labeled Description and Operation ( )

323.如果由于腐蚀而无法拆卸螺栓,则使用渗透油。 ( )

322.Entrance stairs or step operate in conjunction with but are not integral part of entrance doors( )

321.The control unit is installed aft of the cockpit( )

320.当拉下低位的轴承时,可以看到低位的封圈 ( )

319.If numbered, they should be numbered sequentially and need not follow the numbering in this specification so as to avoid “gaps” resulting from specification material not appropriate to the type of airplane( )