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OR指令描述多个触点与线圈组成的电路连接关系。
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AND指令中串联触点个数无限制。
基本逻辑指令是PLC的编程语言。
Fill in the blanks with the information of Chapter 5: 5.1 Three Forms of CompoundsCompounds may appear in any of the three forms: solid form, ___1___ form, and ___2___ form. (注意按照课本中出现的先后顺序来填写)
Fill in the blanks with the information of Chapter 5: 5.2 Structures of Compounds将下面的复合词按照不同的“复合词结构”分类。.deadline；diehard; aftermath; carsickADJECTIVE + NOUN COMPOUNDS: ___1___NOUN + ADJECTIVE COMPOUNDS: ___2___VERB + ADVERB COMPOUNDS: ___3___PREPOSITION + NOUN COMPOUNDS: ___4___
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