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["每日 одна задача"] катафракционная жомка реформация версия

2017-01-30View Original

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["Чтобы повысить активность в этой секции, 开发每日一题活动。活动宗旨:“每天学一点点,十天进步一大点”。希望大家积极参与,在学与进步中还可以把财富轻松带回家:) 。参与:奖励3财富;回答正确:奖励8财富;注:当天的的问题,当天回答得满回馈,隔天回答奖励3-5财富。此贴有效时间48小时。 httphttp://bbs.hcbbs.com/static/image/hrline/4.gif Выборный (реформация секция): регууаторрный на верх и низк обычно доступны(()。A:闸阀   B:截止阀   C:蝶 阀 正确答案:A httphttp://bbs.hcbbs.com/static/image/hrline4.gif 不化工区---节能新想法之“脑洞大开”活动 httphttp://bbs.hcbbs.com/thread-1666758-1--html小米手机等你拿 《石油化工专区》征集化工技术资料汇总帖》 httphttp://bbs.hcbbs.com/thread--165467-1--html 奖品多多等你拿
Reply #22017-01-30
Регуляторрный на верх и низ обычно доступны( a )。 A:闸阀   B:截止阀   C:蝶 阀 我来凑个热闹!:lol
Reply #32017-01-30
A:闸阀 调节阀上、下游伐一般可用(A:闸阀)

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