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2019-04-04View Original

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Reply #22019-04-04

Reply #32019-04-04

"fmt每日一题泵设备",,"

Reply #42019-04-04

"fmt本帖最后由 3835665FPZ 编辑 bknames1jpg判断题规则：1、两道题答案全部错误给予积极参与+2财富答案一错一对给予Z5财富两道题答案全对给予+8财富。2、如只回复一个答案除非明确了是哪道题的答案正确Z5财富错误Z财富否则一律按积极参与Z财富执行。3、回答奖励每人限一次。4、每个回复限评分一人答案。5、回复答案见答案答案解释。5、奖励在4小时内有效逾期不予奖励。拿奖天天逛逛 4ZG材质ZG4ZG是铸造碳钢材料其各项机械性能指标接近于4ZG钢）；4、机械性能相同的大小齿轮啮合工作小齿轮磨损程度要比大齿轮严重。答案：错误跟4ZG钢接近）：正确"

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