cement sheath的用法和樣例：
例句
- The styrene-butadiene latex cement slurry system can help to raise the elasticity and toughness of oil well cement sheath.
丁苯膠乳水泥漿體系有利于提高油井水泥環(huán)的彈性和韌性。 - On the basis of the simplified model, the effect of the cement annulus thickness and the cement resistivity on resistivity log through casing are analysed.
并在此基礎上，分析了水泥環(huán)厚度和水泥電阻率這樣兩個(gè)因素對過(guò)套管電阻率測井的影響。
