液化石油气站的贮罐区、生产区照明电路启动开关及电气设备应采用（）。 普通型；。 随意；。 安全型；。 防爆型。
Exhibit. Which two options are used to enable the connect-time failover feature？（） Use only the first address.。 Try one address， selected at random.。 Try each address， in order， until one succeeds.。 Try each address， randomly， until one succeeds.。 Use each address in order until destination reached.。
室外铜管入室前要作出一个（）。 接地。 防锈。 防雷。 回水弯。
Which scenario describes an appropriate use for opening a form in a new session?（） The data entered into the called form is logically independent of the data entered in the calling form. 。 The called form requires different privileges than the calling form. 。 The called form must execute as a different user than the calling form. 。 The calling form must be able to query data in the called form before it is saved.。
往复式压缩机的气阀阀座密封面，如有较严重的伤痕，应先采用车削的方法，然后用手工研 磨的方法来修理。
张某，25岁，7d前干活时不慎右手食指末端被刺破，未经消毒处理，3d后感到肿胀，轻微疼痛，昨天开始疼痛加剧，以夜间为甚，难以人睡，局部苍白，肿胀明显，全身不适。该患者可能是（）
