built-in test equipment

基本解释

Built-in test (BIT) technique is a suit of necessary equipment of the complicated electronic system.
机内测试（BIT）技术是复杂电子系统的必需设备。
RAM is used widely in electrical equipment, so RAM testing is a key part for built-in test and functional test.
随机存储器在电子装备中广泛使用，对其进行有效测试是电子装备自测试与生产功能测试的主要内容。
The drill and petroleum extraction tools test-well is built in room, that not only can ensure that test environment meeting the test request but also is very convenience for equipment maintenance.
整个钻采工具试验井建在专用实验室内，既可保证试验环境符合测试要求，又可极大的方便设备维护。