It is the set installation that the thrust bearing shed oil of hydrogenerator , Common problem in the operation, Yet still can not thoroughly cure once and for all at the moment.
水轮发电机推力轴承甩油是机组安装、运行中的常见问题，但目前还无法彻底根治。
They have also learned that steroids, once viewed as a cure-all for immune disorders, can worsen the effects of scleroderma, especially in the kidneys, and should be used with caution.
他们也了解了曾一度被认为是免疫疾病万灵丹的类固醇类可能是硬皮病的症状更加恶化，特别是对肾脏，因此应该慎用。
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