【判断题】内无裂纹、无未熔合和未焊透的焊缝为I级焊缝。()
【简答题】The small island, which p______ rich marine resources, becomes a tourist destination only in two years.
【判断题】内无裂纹、无未熔合和未焊透的焊缝为II级焊缝
【单选题】对银行而言,进行市场细分时,所要细分的“市场”是指()。
【单选题】内无裂纹、未焊透、未熔合和条状夹渣的焊缝为()。
【简答题】翻译题 1. The small island is _________(在亚洲东南部). 2. In an English-speaking country, it is_________(练习英语的好地方). 3. Maybe you fear that you won't be able to find _________ (吃的东西)in a foreign country. 4. It ...
【单选题】内无裂纹、未焊透、未熔合和条状夹渣的焊缝为()。