“三小”工艺为
参考答案：
改善成纱的均匀性在细纱机牵伸区的前区常采取的工艺，即小的罗拉隔距、小的浮游区长度、小的钳口隔距。
As parents, we should try to understand _______ our children’s real interests lie instead of blaming them for bad marks．
A．what
B．which
C．where
D．how
税务机关应自受理之日起15日内，审核办理变更税务登记。()
