BP completely shut the valves on the cap late Thursday as part of a 48-hour test to see if the cap can fully contain the oil leaking from the well.

英国石油公司星期四晚间完全关闭了井盖上的阀门，这是检查顶盖是否能够彻底抑制油井漏油的48小时测试的一部分。

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The manufacturer of all PVC or CPVC bleach ball valves must complete all components prior to the factory assembly, test, and packaging of those valves.

所有PVC或CPVC漂白剂球阀的制造商必须在进行工厂组装、测试和阀门包装之前全部完成所有的部件的生产。

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Note: After test, all valves must be open and hoses removed to prevent damage to test kit.

注意：检测后，所有阀门都必须开启，并拆卸所有软管，防止检测组件受到破坏。

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This test identifies abnormal heart valves, such as those that are hardened (calcified) or leaking, and can also detect most heart defects.

CNN: Heart murmurs