the layout of DynamicForm

[fancycgx3650]

In a DynamicForm, if the width of one column is too long, it will change a new line. So I set the colWidth by myself, but all the row will be changed.
And how can I set the DynamicForm like the last example below.
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Title1: Textbox Title2: Textbox
Title3: Textbox Title4: Textbox
Title5: Textbox Title6: Textbox
Title777
777777
777777: radioGroup

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Title1: Textbox Title2: Textbox
Title3: Textbox Title4: Textbox
Title5: Textbox Title6: Textbox
Title777777777777777: radioGroup