常見例句Practice shows that the spatial bolted shotcrete supporting structure is of very high value and vast development foreground.實踐證明，空間網(wǎng)殼錨噴支護結(jié)構(gòu)具有很高的推廣應(yīng)用價值和廣闊的發(fā)展前景。 返回 shotcrete-boh