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【多选题】
按照变电所在电力系统中作用的不同，可分为A.
系统枢纽变电所
B.
地区重要变电所
C.
一般变电所
D.
车间变电所
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举一反三
【简答题】dictation of section A of part one
【简答题】Part I Dictation Directions: Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be read at normal speed, listen and try to und...
【简答题】Part I Dictation Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be done at normal speed, listen and try to understand the ...
【简答题】Part I Dictation Directions: Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be read at normal speed, listen and try to und...
【简答题】Model test two Part I Dictation Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be done at normal speed, listen and try to ...
【判断题】有彩色系（简称彩色系）是指红、橙、黄、绿、青、蓝、紫等颜色。不同明度和纯度的红橙黄绿青蓝紫色调都属于有彩色系。有彩色是由光的波长和振幅决定的，波长决定色相，振幅决定色调。
A.
正确
B.
错误
【简答题】PART I DICTATION Listen to the following passage. Altogether the passage will be read to you four times. During the first readings which will be done at normal speedy listen and try to understand the ...
【简答题】Model test four Part I Dictation Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be done at normal speed, listen and try to...
【简答题】PART ONE DICTATION Walk to Lose Weight Walking is the best and the cheapest way to shed those extra pounds. _____________________ _____________________ _____________________ _____________________ ____...
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