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固定联合接线盒电流出线时固定螺丝的顺序为( )。
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电能表接线恢复后,按上下按钮查看相电压数值大约为( )V。
用下列方框中所给的词和短语填空，并根据需要改变形式。1. The passage tells us that ___________ is an essential element of American culture and Americansare punctual for most events.2. When scheduling an activity, the writer usually ______________it into his agenda.3. Generally, Americans will not wait long, ten minutes ____________ .4. When Americans plan an event, they usually set the time days, a week or even a month ______________.5. People who are ____________often call ahead to let the other party know they will come late.6. The passage is written for people who are ____________ American behavior around appointments and punctuality.
营养代谢性疾病是的总称。
畜禽营养代谢性疾病包括等四个主要部分。
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