常見例句雙語例句Considering small annular clearance and large hole curvature in slim hole, the nonlinear mechanics analysis of BHA is carried out by gap-element method.針對小井眼水平井環(huán)空間隙小、曲率大的特點，應用間隙元法對下部鉆具組合進行了非線性靜力學分析；In order to study effects of convection and radiation on unstable temperature field of rocket charge with annular clearance in the interior, the charge temperature field was simulated.為了研究對流和輻射對內含環(huán)形空氣間隙的某火箭發(fā)射裝藥的非穩(wěn)態(tài)溫度場的影響，對裝藥溫度場進行了數值模擬。Cementing of the slim hole is very difficult due to its small hole size and annular clearance, and the conventional cementing technology cannot meet the requirements of field cementing.小井眼固井由于其井眼尺寸小、環(huán)空間隙小，給固井作業(yè)帶來較大困難，常規(guī)固井技術難以保證其固井質量。 返回 annular clearance