目的探讨直肠癌术后局部复发的手术因素及对策。
Objective to summarize the surgical reasons and countermeasures for postoperative local recurrence of rectal carcinoma.
目的：探讨气管插管患者非计划拔管的因素及对策。
Objective: Discussion trachea intubation patient non-plan cupping factor and countermeasure.
论述了松藻煤脱硫降灰、洗选加工的意义、制约因素及对策；
The degrees of decreasing sulfur and ash and processing method are forwarded for Songzao high sulfur anthracite.
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