【计】 动作时间

摘要对火电厂循环冷却水系统常用的两种杀菌剂－季胺盐及异噻唑啉酮进行了试验研究，得出加药量、作用时间与杀菌率的关系，并提出杀菌剂的选择原则和注意事项。

actuation

actuation

manual actuation (manual action)

actuation of contacts due to non-rotatably moving part

actuation of the floor-levelling switch off a lift

casing of switch with a handle serving a purpose other than the actuation, lever switch

actuation time【电】;operating time【电】

spring for actuation of a spring (key) with rings