Just found answer by myself

来源: Tatung 于 2006-11-14 15:25:30 [] [旧帖] [给我悄悄话] 阅读数 : (270 bytes)

From visa bulletin, "Section 203(d) provides that spouses and children of preference immigrants are entitled to the same status, and the same order of consideration, if accompanying or following to join the principal. " So the answer to my stupid question is "yes".

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