单选题
发布日期:2021-03-22
bleeding refrigerant from the condenser
opening a drain petcock on the oil separator
condensing the water in the heat exchanger
using a dehydrator cartridge
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煎煮中药应使用下列哪种容器:()
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子宫内膜癌的影像学表现中,描述正确的是()。
我食品公司冻猪肉原报价为每吨l150英镑,该笔业务从成交到收汇需6个月,若改为法国法郎报价,当时伦敦外汇市场英镑/法国法郎为即期汇率9.4545—9.4575,6个月远期贴水l4.12~15.86,合年率3.17%,则此时公司应报价为()
下列选项,不属于地理标志的是( )
建筑起重机械安装过程中,监督检查的内容包括()。
对往复式天然气压缩机,采用余隙调节压缩机排气量时,可以得到分级调节和连续调节的排气量。()
ZXONME300网管是()级网管。
12007+32007+52007+72007+92007的值的个位数是( )。
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Moisture is removed from a refrigeration system by().
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Moisture in a refrigeration system can cause ().
In an air conditioning system, moisture is removed from the air by()
In an air conditioning system, moisture is removed from the air by()
A refrigeration system contaminated with moisture can be affected by ().
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Some refrigeration systems have chemical moisture indicators installed in conjun...
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