Water well drillers may specialize in a specific method of drilling, such as cable, rotary, auger, hammer or reverse circulation drilling.
水井钻井工可能会专注于一个特定的钻探方法，如电缆，旋转，钻，锤或反向循环钻探。
The characteristics of Auger depth profile as a method for superlattice structure analysis, as well as its limitations, are discussed.
讨论了用俄歇深度剖面分布作超晶格结构分析的特点及其局限性。
The characteristics of Auger depth profile as a method for superlattice structure analysis, as well as its limitations, are discussed.
讨论了用俄歇深度剖面分布作超晶格结构分析的特点及其局限性。
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