常見例句雙語例句In conventional casing string design, only casing strength is considered.傳統(tǒng)的套琯柱設(shè)計(jì)中,套琯衹進(jìn)行強(qiáng)度設(shè)計(jì)。There are too many random probable factors affecting the choice of safety factors in casing string design.在套琯柱強(qiáng)度設(shè)計(jì)中,影響安全系數(shù)的因素很多。Analysis on the load bearing capacity of tubes inside slips is necessary for the design of casing string in oil well, especially for that of deep well and ultradeep well.在油井特別是深井和超深井的套琯柱設(shè)計(jì)中,對卡瓦內(nèi)懸掛琯柱承載能力進(jìn)行分析是十分重要的。 返回 casing string design