本文的目的在于论述与安全有关的漏电保护的两个参数——动作电阻值和动作时间。
This paper is to demonstrate two parameters of earth-leakage protection relevant to safety-value of operating resistance and operating time.
我们车间使用的这种机器是中国制造的。 但是，如果从句和主句的动作在将来不同的时间发生，则两部分都要用来将来时
Such machines as are used in our workshop are made in china.
然而，它们保持有效的时间取决于模型的面貌、声音和动作的真实度。
How long they remain effective, however, depends on how real the models look, sound and behave.
应用推荐