【填空题】
126.密封油系统投入前，应先投入主机___系统。
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【填空题】
139.1号机空侧密封油第一备用油源是由汽机___来的2.1MPa高压油，当主工作油源发生故障、氢油压差降到___MPa时，该油源由___压差调节器控制调节，维持氢油压差___MPa。
【填空题】
140.1号机空侧密封油第二备用油源是由汽机主油箱上的___油泵提供，当汽机转速低于2800r/min或发生故障且氢油压差降到___MPa时，则由___油泵提供密封油。该油源由备用压差调节器控制调节，维持油氢压差___MPa。
【填空题】
141.1号机空侧密封油第四备用油源是由___油泵提供，当氢油压差降到___MPa时，启动___油泵，使密封油压恢复并保证氢油压差___MPa。该油泵只允许运行___小时左右,如前两级油源短时间内不能恢复运行，应将氢气压力降到___MPa，以免直流油泵停运后引起漏氢。
【填空题】
142.1号机空侧密封油第三备用油源：由___系统供给，提供的油压较低，要求该油源在密封油装置入口处的油压不低于___MPa。该油源投入运行后，维持发电机内氢压___MPa 。
【填空题】
159.1号机闭式冷却水系统主要是向汽泵前置泵___冷却器，电泵及前置泵机械密封冷却器，___润滑油冷却器，___润滑油站冷却器，EH油___，密封风机轴承，凝结水泵___等提供冷却水。
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6 She didn't want to marry him and was [ ] against him because he had only a bachelor's degree and didn't meet her expectations for marriage.___
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