ʲôʯӢɰ
ͨʯӢɰf(shu)ʯӢɰVϲȻʯӢVʯ(jng)Yxˮϴȹˇӹ^ʶΡɫЙC(j)е(qing)ȸ (qing)ܺЧʹL(zhng)c(din)ʯӢɰVmچΌӡp^(gu)V^(gu)VxӽQ(xing)ָ(bio)_(d)CJ/T43-1999(bio)(zhn)ӹоʯӢɰʯӢɰ̎턩ͨʯӢɰɝM㲻ͬÑʹ
ʯӢɰVҎ(gu)0.5-1.0mm 0.6-1.2mm 1-2mm 2-4mm 4-8mm 8-16mm 16-32mm
ʯӢɰf(shu)ʯӢɰVDzȻʯӢVʯ(jng)ˮϴYxϴκYxɵһNˮ̎VõʯӢɰVҪЃɷN,һNͨʯӢɰ,һNǾϴɰ.ʯӢɰVϾУӲȴgԺãܶȴC(j)е(qing)ȸdʹL(zhng)c(din)ǻW(xu)ˮ̎
ʯӢɰV^(gu)Vˮ(jng)^(gu)ɰʯBһˮеЩҸr(li)Ҫᘌ(du)Щ(x)đҸ