A、 That portion of the system which use voice adjust electromagnetic beam to transmit and/or receive messages from air-to-air, or air-to-ground installations.
B、 That part of the system which utilizes sound modulated electro solenoid waves to transmit and/or receive messages from air-to-air, or air-to-ground installations.
C、 That portion of the system which utilizes voice modulated electromagnetic waves to transmit and/or receive messages from air-to-air, or air- to-ground installations.
答案：C
A、 That portion of the system which use voice adjust electromagnetic beam to transmit and/or receive messages from air-to-air, or air-to-ground installations.
B、 That part of the system which utilizes sound modulated electro solenoid waves to transmit and/or receive messages from air-to-air, or air-to-ground installations.
C、 That portion of the system which utilizes voice modulated electromagnetic waves to transmit and/or receive messages from air-to-air, or air- to-ground installations.
答案：C
A. 使用通用工具密封端口
B. 使用指定的工具封严开口
C. 端口可以使用特殊的工具封严
A. The section of the engine through which the air enters the compressor section, guide vanes, shrouds and cases, etc.
B. The section of the engine through which the air enters the compressor section. Includes items such as guide vanes, shrouds, cases, etc.
C. The section of the engine through which the air enters the compressor section. But excludes items such as guide vanes, shrouds, cases, etc.
A. Before you use a word, read its definition in the approved meaning column of the dictionary.
B. Before you use a word, read its approved meaning in the definition column of the dictionary.
C. Before you use a word, read its meaning in the approved column of the dictionary definition.
A. Attach the screw＇s wire to the new cable.
B. Attach the screw＇s cord to the new cable.
C. Attach the threading cord to the new cable.
A. 从海平面到温度为-56.5℃(-69.7℉).....
B. 从海平面到温度为-56.5℃(-69.7℉)的高度的温度梯度为每英尺-0.00198℃(-0.003564℉),高于该高度为零。
C. 从海平面到温度为-56.5℃(-69.7℉)...
A. 给装有泵的系统B提供液压
B. 给系统B和泵提供液压
C. 用泵给系统B提供液压
A. 你可以根据单词在句子中的功能和意思了解它的位置,因为动词和形容词的位置不同
B. 因为动词和形容词在句子中的位置不同,你可以根据单词的作用和意思来确定它的位置
C. 单词在句子中的位置可以告诉你它的功能以及它的意思,因为动词和形容词有不同的
A. Install two mats, each 3.5 mm thick.
B. Install two spacers, each 3.5 mm thick.
C. Install two rings, each 3.5 mm thick.
A. 如果需要使用填充剂粘接工具,使用冷水浸泡工具。
B. 如果使用工具时需用封圈辅助,使用冷水先清洗工具。
C. 如果填充剂粘在工具上,使用冷水湿润工具。
A. 这些安全警告满足维修区工作的全部要求。
B. 这些安全提示有必要作为维修区工作要求。
C. 这些安全预防措施是在维修区工作的最低要求。
