linage
1.Conclusions:Estrogen deficiency enhanced endogenous IL-6 levels in BMS,resuting from increased expression of IL-6 in vivo osteoblas linage.
2.Combining "ZJ30 drill chassis excessive shaft steering system optimum design " of JIANGHAN oil field No. 4 machine factory ,1 optimize part parameter of steering echelon and steering linage machine and acquire well economic benefit by practice
