testing certificate的用法和樣例：
例句
- Enclosed is a copy of the inspection certificate from our quality control department.
隨函附上本公司質量監控部門出具的一份檢驗證書。 - The inspection certificate issued by the said inspection organization shall be an integral part of the documents to be presented for payment.
上述檢驗機構簽發的檢驗證書構成賣方要求付款時必須出具的單據之一。
