取代比
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well replacement ratio
油井替代率
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Due to the optimum weight-strength ratio and corrosion resistance, as well as easy replacement, the FRP profiles are used for bridge-deck.
因为拉挤 玻璃钢 型 材具有最佳的重量-强度比和耐腐蚀性能，而且更换容易，经常被使用作为桥梁的路面盖板。
youdao
The replacement ratio needs to be higher than average for the least well paid, who spend proportionately more on essentials such as food, fuel and shelter.
ECONOMIST: Falling short
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