"be joined together" is a correct and usable phrase in written English.
It means to come together or connect in some way. Example: The two pieces of wood must be joined together to create the table top.
Joined Notes: Eighth and sixteenth notes can be joined together by turning the flags into a bar which spans between them.
Ask the students how many of the balls should be joined together to form the Earth and how many should be joined together to form the Moon.
Following transcription, these coding sequences must be joined together before the mRNAs can function.
Many foundations have already been laid and now need to be joined together.
Instead, here are some great itineraries based on my own travels, which could be joined together.
Fabric can be joined together with different stitches that do different jobs.
In order to serve their function, bones must be joined together by something.
The test results show that W-Re substrate and bulk graphite can be joined together when titanium was used as the brazing agent.
But while the tubes are constructed in special factory clean rooms, they must be joined together in the N.I.F.
When these are returned to the player's home world they can be joined together to create new quest adventures.
In addition, large counters are usually made up of sections that must be joined together on site.
