华南稀土花岗岩风化壳主要可分为腐植层、全风化层和半风化层。
The weathering crust of REE granites in southern China can be divided into humic layer, completely weathering layer and partly weathering layer.
厦门海底隧道海域隧道地段存在多处风化深槽,岩体主要为全、强风化花岗岩。
The underwater section of the Xiamen subsea tunnel will encounter many weathered strata, and the main rock of the weathered strata is fully or strongly weathered granite.
在软的全风化及强风化花岗岩中,金刚石钻进比功值低于冲击凿碎比功值;
The value of SEDD is nearly equal to that of specific energy of percussive drilling(SEPD) in moderately weathered granite.
在软的全风化及强风化花岗岩中,金刚石钻进比功值低于冲击凿碎比功值;
The value of SEDD is nearly equal to that of specific energy of percussive drilling(SEPD) in moderately weathered granite.
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