applying the technology of smooth blasting , the complete section of the Ⅲ surrounding rock and the half section of the broken and the Ⅱ surrounding rock have been excavated at the obverse step .利用光面爆破技術(shù),Ⅲ類圍巖全斷面一次開挖,Ⅱ類圍巖和斷層破碎帶半斷面正臺階開挖。
+obverse feature
1 . 正面特征
its main obverse feature was a German Eagle holding a swastika a branch of leaves behind swastika .它的主要正面特征是德國鷹抓著一個萬字,枝葉在萬字后面。
+to obverse
1 . 利用聽覺
objective : to obverse the effect of Qingqianfang on rats with abacterial prostatitis .目的:利用聽覺穩(wěn)態(tài)誘發(fā)電位技術(shù)了解小兒重度和極度聾的殘留聽力,并將此法與聽性腦干反應(yīng)進(jìn)行比較,說明此種客觀測試方法的優(yōu)點。