en_tn_condensed/ezk/41/22.md

the wooden altar in front of the holy place, which was

These words are the end of the sentence that begins with the words "Their appearance was like the appearance of" in verse 21. Possible meanings of the sentence are 1) as it is translated in the ULB or 2) "The appearance of one was like the appearance of the other. The wooden altar in front of the holy place was." The abstract noun "appearance" can be translated as a verb. Alternate translation: "They appeared the same way the wooden altar in front of the holy place appeared. They were" (See: rc://en/ta/man/translate/figs-abstractnouns)

three cubits ... two cubits

Each long cubit was about 54 centimeters. See how you translated this in Ezekiel 40:5. Alternate translation: "about 1.6 meters ... about 1.1 meters" (See: rc://en/ta/man/translate/translate-bdistance)