hat
4, forage machin lan correspondance ak korespondan parèy, ki se favorab pou mèt kondisyon. Li gen kèk D' fonksyònman, ak kouman yo dispoze tèt nou, pou operasyon an likid ak pratik.
eng
4,The drilling machine is matched with corresponding apparatus, which is favorable to master the condition. It has few operating handlers, and the layout is reasonable, so the operation is flexible and convenient.