- 矿井: mine; pit; grube; groove; sh ...
- 酸: acid
- 井酸化: well acidizing
- 矿井: [采矿工程] mine; pit; grube; groove; shaft; wheal; underground mine 废矿井 an abandoned mine; 一辈子在矿井下干活 work all one's life down the pit; 矿井安全 mine safety; 矿井火灾 mine fire; 矿井空气 mine air; 矿井事故 mine accident; 矿井瓦斯 damp; firedamp; mine gas; 矿井支护 mine support
- 油井酸化处理: acidizing of well
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