Match the interface with the use on the WSA.
电源SPD应以最短、直路径接地，SPD的接地线应避免出现“V”形和“U”形弯，连线的弯曲角度不得小于（）°，且接地线必须绑扎固定好，松紧适中。 30。 60。 90。 120。
球罐进行喷淋的目的是（） 降低罐体温度和压力。 加快装车速度。 火灾时用于降低罐体辐射温度阻隔火焰。
You executed the following query： SELECT operation， undo_sql， table_name FROM flashback_transaction_query； Which statement is correct regarding the query output？（） It would return information regarding only the last committed transaction.。 It would return only the active transactions in all the undo segments in the database.。 It would return only the committed transactions in all the undo segments in the database.。 It would return both active and committed transactions in all the undo segments in the database.。 It would return information regarding the transactions that began and were committed in the last 30 minutes.。
如何采用成本法评估无形资产？
男性，53岁，因室内着火大声呼救，被火烧伤头、面、颈、腰背及臀部，为深Ⅱ0。如果患者睡翻身床，伤后最早翻身时间是（）
