如何翻译Two stage,two pass Tubular precipitators

如何翻译Two stage,two pass Tubular precipitators 【求翻译】Two-stage OLS Regression是什么意思? two-stage fuzzy aggregator two-stage runner, two-stage selection是什么意思 two翻译! two翻译! One is but two are如何翻译 翻译two-by-two-foot Two to two 怎么翻译 two two two two to two to two two翻译到底是two to two to two two还是two to two to two? Two beer or not two beer,that's a question.这个广告如何翻译 翻译two feet by two feet two kinds 翻译 two thirty怎么翻译?