backwashing是什么意思？

In the dry - combed process, backwashing occurs after combing.在干式精梳过程中, 复洗是在精洗之后.Backwashing is one of the Methods: To maintain a filter bed clean.反冲洗是保持滤床清洁的方法之一....

backwashing的音标：backwashing的英式发音音标为：['bækwɒʃɪŋ]backwashing的美式发音音标为：['bækwɒʃɪŋ]...

immobilization的音标：immobilization的英式发音音标为：[ɪˌməʊbəlaɪ'zeɪʃn]immobilization的美式发音音标为：[ɪˌmoʊbəlaɪ'zeɪʃn]...

Conservationists are mostly wedded to preserving diversity in nature.自然环境保护主义者大多致力于保持物种的多样性。Vinegar is used in preserving food.醋可用来保存食物.Conservation is an issue which gets a lot of attention these days — whether it means...

habitus的复数形式为：habitus...

generousness的音标：generousness的英式发音音标为：['dʒenərəsnɪs]generousness的美式发音音标为：['dʒenərəsnɪs]...

水叶草属...

“奥妙”的英语可以翻译为：profound，secret，subtle，what's behind it ...

“消费”的反义词：积累, 生产, 储蓄。...

n.（亲属中）护理病人、老人者...

“页岩”的拼音为：yè yán...

v.编选集( anthologize的过去式和过去分词 )...

n.高二氢苯并吡喃...

冰岛其实不如国名所指的如此冰冷不适.Iceland is not really as cold and unpleasant as its name suggests.其国名巴西, 葡萄牙语意为 “ 红木 ”.Its name to the Brazilian, Portuguese, meaning " wood. "波斯是古伊朗的国名.Persia is ancient name of Iran....

Sumner would greet us with frowns and grimaces, doing his best to express wordless disapproval...萨姆纳会冲我们皱眉，做苦脸，竭力表示他无言的反对。As the gray Chicago sky frowns outside his conference room window, Obama rehearses his message.芝加哥...

除掉，去掉，涤荡，革除，摈除...

rue的音标：rue的英式发音音标为：[ru:]rue的美式发音音标为：[ru]...