但是，对那些在术前已做过鼻翼基底切除， 鼻翼基底切口在鼻翼沟上方超过2毫米和双侧侧鼻动脉受损过的病例仍要保持警悌。
However, caution is advised if the alar base has been previously excised, if the alar base incisions extend more than 2 mm above the alar groove, and the lateral nasal artery is damaged bilaterally.
利用断面沟扇体系及基底形态、地震反射结构、粘土矿物组合、岩屑类型、重矿物组合明确古流向和物源。
Source orientation was studied by using Basement and fractured surface form, Seismic Reflection structure, Clay mineral Assemblages, cuttings type and heavy mineral Combination.
电缆沟边坡不直不平、基底不平：应加强检查，随挖随修，并要认真验收。
Slope is not straight and base is uneven: strengthen inspection, repair cable trench, and then accept seriously.
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