9 It is the sweepage, add 10-30 kg/m3 PF-SEAL(fine fiber) in whole circulating mud.
9 It is the sweepage, add 10-30 kg/m3 PF-SEAL(fine fiber) in whole circulating mud.
发生渗漏,在循环泥浆中加入10~30公斤/方的PF-SEAL。
9 It is the sweepage, add 10-30 kg/m3 PF-SEAL(fine fiber) in whole circulating mud.
发生渗漏,在循环泥浆中加入10~30公斤/方的PF-SEAL。