人类还通过给沼泽地排水、凿石劈山、修建公路和铁路等方式，改变了地球的面貌。
Man has also modified the face of the earth by draining marshes and cutting through mountains to build roads and railways.
座要根据奇石的天然形状和咱们的欣赏视点，经凿、锯、雕等技术，保证把奇石托得保险。
According to the natural shape of stone and let's appreciate the point of view, the chisel, saw, carving and other technology, guarantee the stone to insurance.
第二步，石材加工，把需求胶接的山体用锤、凿、锯等东西加工出纹路和对比独特的形状来。
The second step, the stone processing, the need to glue the mountain with a hammer, chisel, saw and other things to produce lines and contrast the unique shape.
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