Ọkachamara emeputa Ngwa egwu egwu

Ahụmịhe nrụpụta afọ 25

Ụdị mgbanaka maka mkpanaka mkpọpụta ọkpọkọ

Nkọwa dị mkpirikpi:

Ebe Mmalite: China
Aha ika: JCDRILL
Nọmba nlereanya: QW TW TWU
Ụdị: Ngwá ọrụ egwu egwu
Ihe: Steel
Jiri: Ngwuputa ihe, ihe owuwu, geotechnical, nyocha
Aha: Rod Wrench


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