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於提高油井水泥環的彈性和韌性。 - 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.
並在此基礎上，分析了水泥環厚度和水泥電阻率這樣兩個因素對過套管電阻率測井的影響。
