SAW振荡器由一组SAW发射、（）、（）组成。
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1、Excerpt 1 I saw a television advertise
Excerpt 1 I saw a television advertisement recently for a new product called an air sanitizer.A woman stood in her kitchen, spraying the empty...
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2、根据GB5185标准规定，数字“SAW142”代表（）。
根据GB5185标准规定，数字“SAW142”代表（）。A埋弧焊B等离子弧焊C熔化极惰性气体保护焊D钨极氩弧焊
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下面哪项不是SAW传感器的优点（）。A分辨率低B灵敏度高C制造简单D可靠
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机械操作技能考试埋弧焊代号SAW类别号5认可范围5。A正确B错误
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5、I saw that she was in difficulty with
I saw that she was in difficulty with all those parcels, so I offered my（）AserviceBmoneyCuseDchance
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6、I saw your man not operating the winch
I saw your man not operating the winch gear（）gear.AinBbyCofDagainst