Sell 8 1/2 inch roller bit IADC 637 OR IADC737 used for roller bit core barrel f
详细信息
Sell 8 1/2 inch roller bit IADC 637 OR IADC737 used for roller bit core barrel for 100mpa hard rock in bored pile
Sell 8 1/2 inch roller bit IADC 637 OR IADC737 used for roller bit core barrel for 100mpa hard rock in bored pile
| 地址：天津市宝坻区马家店镇 |
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