air-compressor valve 空气压缩机阀门 automatic cutout valve 自动切断阀门 backlash valve 无游隙阀门 High temperature ...
2009-10-04
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话说英语短语动词和惯用语(二十) 动词come(续六)come on动词+介词Things haven’t been the same since the new direc...
2009-10-03
the secular bird 凤凰 the sere and yellow leaf 晚年 the seven seas 七大海洋 the seventh ...
2009-10-02
nepenthes 猪笼草 neper 奈培 nephalism 完全禁酒 nephalist 禁酒主义者 nephanalysis 云层分析 ne...
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