Chord/bass then __/bass __/bass Can we hide the chord if it doesn't change

[dflat]

Can we hide the chord if it doesn't change but there is a moving bass
to avoid this

yes the invisible chord. In Mac version it is next to the fermata - a pink blob (or you type letter w) then the slash then the name of the note you want for bass.
w/bb
w/c69

Also in Android and iOS.