Pick up drill stem test tool.

提起钻柱测试工具.

Asp web site when doing a test tool, so do not need to trouble!

做asp网站时的一个测试工具, 不需要那么麻烦的!

Professional MultiTouch Test Tool which can help you to know your performance of touchScreen directly and each point will be marked with number.

玩家必备，测试多点触摸的利器！每个触摸点上有数字标示，可以检测触点得顺序哦！

It is the essential test tool of project acceptance and maintenance of ups and generator. It is of safe usage, long life, low noise and wide application range.

仪器使用安全、寿命长且噪音小，适用范围广，是UPS、发电机等设备工程验收及日常维护必备的测试工具。

The z-Test tool can also be used for the case where the null hypothesis is that there is a specific nonzero value for the difference between the two population means.

检验工具还可用于当两个总体平均值之间的差异具有特定非零值的空值假设的情况。