干式電煤鉆桿
干式電煤鉆桿/ Dry type electric coal drill pipe
干式電煤鉆桿采用鋼材，經(jīng)特殊加工處理，提高了鉆桿的強(qiáng)度、硬度和耐磨性，延長(zhǎng)了使用壽命，提高了經(jīng)濟(jì)效益。
直徑：Φ27、Φ38長(zhǎng)度:0.5m-5m
Dry type electric coal drill pipe is made of high quality steel, through special processing, improve the strength, hardness and wear resistance of drill pipe, prolong the service life, improve the economicbenerit
Diameter:Φ27,Φ38 length: 0.5m to 5m
產(chǎn)品展示
