题目内容
当一个接触器得电动作时，通过其辅助常闭触头使另一个接触器不能得电动作，接触器之间的这种相互制约的作用叫做接触器的（）。
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接触器的型号为CJ10-20，其额定电流是（ ）。
交流接触器主要由（ ）等组成。
Shop assistant: Hello, how can I help you?Customer: 1_________Shop assistant: How about these? They’re very popular.Customer: I like the style. 2__________Shop assistant: Of course. 3__________Customer: 25.Shop assistant: 4_________ The fitting room is over there.Customer: I think they’re a bit tight.5__________Shop assistant:Yes. Try this pair.
Jane: Hey, that’s a nice T-shirt!Alice:1__________ I bought it last week.Jane: The colour is perfect for you.Alice: Yeah. 2__________Jane: It looks soft and comfortable. 3__________Alice: No. I think it’s 100% cotton.Jane: That’s nice. 4_________Alice: You can. 5_________ It’s only 99 yuan.Jane: Great!
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