wetback-
But it says something that he 's coming to us and not that wetback .
他之前只是找我们也没说是那墨西哥的事。
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An analysis and comparison is conducted of the construction of existing model WNS oil fired and gas fired boiler proper . On this basis the authors point out that the elimination of its back burning furnace represents an improvement in the right direction for three pass wetback boilers .
对现有的WNS型燃油、燃气锅炉的本体结构进行了分析比较，指出对于三回程湿背式锅炉去掉回燃室是其改进的一个方向；