说明:a. c .balance indicator,交流平衡指示器
a. c. bridge,交流电桥
a. c. current calibrator,交流电流校准器
a. c. current distortion,交流电流失真
a. c. induced polarization instrument,交流激电仪
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说明:2002年1月四级试题
Part I Listening Comprehension (20 minutes)
Section A
Directions: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversation a <gtmars> 上传 | 大小:48kb