常見例句雙語例句It is used to treat well accident and used to be on the way test in drilling and coring operation.它適用于井下事故處理，也使用于鉆井和取心的中途測(cè)試。It is used to treat well bottom accident and used to be on -the -way test in drilling and coring operation.它適用于井下事故處理，也適用于鉆井和取芯的中途測(cè)試。Diamond core bit is preferred for coring operation in terms of the special requirements of scientific drilling.根據(jù)科學(xué)鉆探對(duì)巖心的特殊要求，認(rèn)為金剛石取心鉆頭是科學(xué)深鉆取心鉆進(jìn)較理想的選擇。 返回 core operation