984、 Set the rotary switch to INPUT.

A. 　运营商应该用开放的通信设备告知厂家新出现的情况,厂家也要回应以必要的帮助

B. 　双方应来取开放式沟通方式,一旦出现新情况运营商应告知厂家,而厂家要给予运营商以可靠的帮助

A. 　放目录页的桌子必须标识日期但是无需编号

B. 　目录页必须写日期但是不用写数量

C. 　目录页必须注明日期,但无需编号

A. 　 Remove the safety strips and tags.

B. 　 Remove the safe clips and labels. the

A. 　 When the temperature of vent rises to 27℃, the exhaust pipe opens
.

B. 　 When the ventilation temperature is above 27℃, the drain mast opens.

C. 　 When the temperature of the ventilation air increases to 27 ℃, the discharge valve opens.

A. 　 Be sure that magnet plate system 1 and magnet plate system 2 are identical.

B. 　 Make sure that compass system 1and compass system 2 are synchronized.

C. 　 Ensure that magnet plate system 1 and magnet plate system 2 are simultaneous.

A. 　这种防腐剂在华氏 109 度时融化。

B. 　这种密封胶在华氏 109 度时燃烧。

C. 　这种混合物在华氏 109 度时气化。

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。

A. 　这些断流开关操作断流活门,断流活门是安定面配平控制模块的一部分,隔离到尾部的安定面配平组件的
液压动力

B. 　这些切断活门由切断电门操作,切断电门是安定面配平控制模块的一部分,将液压动力隔离到尾部的安定
面配平组件。

C. 　这些由关闭电门操作的切断阀门可以作为稳定器配平控制模块的一部分,隔离流到尾部的稳定器配平组件
的液压动力。

A. 　找到中点,然后将测量出的数据除以 2。

B. 　为找到中点;将测量出的间隙除以 2。

C. 　找到中点,用 2 除以测量出的间隙。

A. 　 Pressurization of the pneumatic crossover manifold and use of an external air source connected to the air
charging valve manifold to pressurize the reservoirs for ground maintenance is the second method.

B. 　 You can use the second method to pressurize crossover manifold and use an external air source
connected to the air charging valve" manifold to pressurize the reservoirs for ground maintenance.

C. 　 The second method is that it is not necessary to pressurize the pneumatic crossover manifold but to use
an external air source connected to the air charging valve manifold to pressurize the reservoirs for ground
maintenance.