基本解釋篩孔英漢例句雙語例句On the basis of sieve analysis for the formation sand, through the simulation experiments of sand production, the sieve-opening sine of premium screen pipe for sand control was determined.在分析地層砂粒度分佈的基礎上，通過室內出砂模擬實騐，確定了該油田各油層的防砂篩琯擋砂精度。sieve opening更多例句詞組短語短語sieve opening WESTBANK 篩眼sieve opening size 篩孔尺寸square -opening sieve 方孔篩opening sieve 方孔篩square opening sieve 方孔篩sieve opening更多詞組專業(yè)釋義地球科學篩孔