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Freddy was such a troublemaker that the teacher put his desk in a far corner to isolate him from the other students()

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B.to
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離心工藝中,開模線與泵送線離心工藝有所差異,一般情況泵送線,轉(zhuǎn)速略低于開模線()

A.正確
B.錯(cuò)誤
答案: B.錯(cuò)誤在離心工藝中,開模線和泵送線的轉(zhuǎn)速設(shè)置通常會(huì)有所不同,但沒有一個(gè)固定的規(guī)則說泵送線的轉(zhuǎn)速一定低于開模線。轉(zhuǎn)速的設(shè)...
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