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鋼筋制作時應按尺寸下料，不應按重量下料。
正確
暫無解析
don't(完全形式)__________
DaMingcomesfromChina，heis_____(China).
Whenyouseeforeignfriendsinourschool，youcansaytothem“W_____tomyschool
me(主格)__________
Ihaveapenfriend，andwealwayssende_____toeachotherbycomputer
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