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【多选题】
用心轴类夹具加工盘套类零件时,( )A.
外圆的圆柱度
B.
外圆对定位的同轴度
C.
端面对内轴线的垂直度
D.
端面的平面度
E.
面轮廓度
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】Part A Suppose you lost your suitcase in bus. According to the information below, write an essay of about 100 words to describe your lost property.
【简答题】裸子植物茎内维管束的木质部仅具______而无______，韧皮部只有______而无______及______。
【单选题】This book has been in the works so long that I have lost ______ of most of the sources found for me by the staff of the library.
A.
trace
B.
trail
C.
track
D.
touch
【单选题】This book has been in the works so long that I have lost ______ of most of the sources found for me by the staff of the library.
A.
track
B.
trail
C.
trace
D.
clue
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