The contract needs to be signed in triplicate.

合同需要签署一式三份。

We received the documents in triplicate.

我们收到了一式三份的文件。

We need the contract copies in triplicate.

我们需要一式三份的合同副本。

Please print this document in triplicate.

请将这份文件一式三份打印出来。

These reports need to be prepared in triplicate.

这些报告需要一式三份准备好。

The report was printed in triplicate for the meeting.

报告为会议打印了一式三份。

Please make sure to submit the form in triplicate.

请确保提交的表格是一式三份。

Please ensure all documents are filed in triplicate.

请确保所有文件一式三份归档。

All application forms must be submitted in triplicate.

所有申请表格都必须一式三份提交。

For legal purposes, the agreement must be in triplicate.

出于法律目的，协议必须是一式三份。