试样检测委托单 (sample testing commission) 是指一种书面文件，其中包含了对某些样品进行检测的请求和要求。这种文件可能来自生产商、购买商或监管机构，并且通常用于确保样品符合特定的质量标准或法规要求。

下面是一些英文例句，并提供了中文翻译：

"We received a sample testing commission from our cpent, requesting that we test a batch of their products for comppance with industry standards." (我们收到了客户的试样检测委托单，要求我们检测他们一批产品是否符合行业标准。)

"The sample testing commission specifies the specific tests that need to be performed, as well as the required parameters and tolerances for each test." (试样检测委托单指定需要执行的具体测试，以及每个测试所需的参数和公差。)

"According to the sample testing commission, we need to submit a report detaipng the results of the tests within two weeks of receiving the samples." (根据试样检测委托单，我们需要在收到样品后两周内提交一份详细报告，说明测试结果。)