...) 位于犹他州东方,占地76,519英亩(309.7平方公里),每年约有85万访客。走到那里直感叹大自然的鬼斧神工,平衡石(Balanced Rock)就在路旁边,不走过去也看得很清楚。
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以上来源于: WordNet
Air drilling is a kind of under-balanced drilling technology with air, whose rock breaking form is different from conventional mud drilling.
空气钻井技术是以空气作为循环介质的欠平衡钻井技术,其钻头的破岩形式与常规泥浆钻井有很大的区别。
Rock back and forth and side to side. Gradually reduce this swaying to standstill, with your weight balanced evenly on the feet.
前后左右轻摇身体,逐步减少摇摆到停顿,让重量平均分配到脚上。
Rock back and forth and side to side. Gradually reduce this swaying to a standstill, with your weight balanced evenly on the feet.
前后左右轻摇身体,逐步减少摇摆到停顿,让重量平均分配到脚上。
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