"要求投票决定" can be translated into English as "demand a vote" or "call for a vote".
"Demand a vote" implies a strong request or insistence on having a vote to decide an issue.
"Call for a vote" suggests initiating or proposing that a vote be taken to make a decision.
Both expressions are commonly used in formal or official contexts, such as in meetings, parliaments, or organizations, when a decision needs to be made through voting.