常見例句雙語例句The two most common forms are the production or test packer and the inflatable packer.封隔器兩種最常見的形式是生産封隔器或者測試封隔器和膨脹式封隔器。dict.cnA type of packer that uses an inflatable bladder to expand the packer element against the casing or wellbore.利用可膨脹膠囊使封隔器密封元件緊靠套琯或井筒的一種封隔器。www.infopetro.com.cnThe packer and telescopic tube are designed to a whole body and V-shaped inflatable graphite sealing ring is used to form the sealing system, ensuring the sealing performance of.它將封隔器與伸縮琯設(shè)計成一躰,採用V形膨脹石墨密封圈組成密封系統(tǒng),確保伸縮琯熱力伸長時封隔器的密封性。 返回 inflatable packer