["Каталжованная перерепка重整油品调和版", ["Эта тема последнего редактирования wlf в 2-6-28 8:44. Участие: награда; ответ верный: награда 3. Вопрос: перед запуском центробежного насоса необходимо (), чтобы избежать заедвания подшипников и поврреждения оборудования. A,; B; C; D; Ответ: D;", "Примечание: ответ будет автоматически опубликован через два дня."]

2019-06-18View Original

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本帖最后由 wlf1234 于 2019-6-18 08:14 编辑参与：奖1财富；回答正确：奖3财富。 https://bbs.hcbbs.com/static/image/hrline/2.gif https://bbs.hcbbs.com/static/image/hrline/3.gif 单选题：离心泵在启动之前需要( )，避免轴承卡死，损坏机泵。 A、切泵 B、加润滑油 C、灌泵 D、盘车答案： D https://bbs.hcbbs.com/static/image/hrline/1.gif https://bbs.hcbbs.com/static/image/hrline/2.gif 注：两天后答案自动公布。

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