Oil Well Steel Pipe
返回 19 条匹配短语对
N80 # oil pipe steel
N80#油管钢
N80 class oil pipe steel
N80级石油管
Oil Well Pipe
油井管材
油井管柱
石油套管
油井管
油管
steel oil pipe
输油钢管
tubular billet for oil well pipe
油井管坯钢
allocation factor for oil well and water injector
油水井分配系数
Antisepsis oil pipe
防腐油管
聚焦离子束(FIB)
聚焦离子束
biased-valve oil well pump
偏置阀式抽油泵
blow-out oil well
失控喷油井
casing of oil well
油井套管
cement in oil well
油井水泥
class A oil well cement
A级油井水泥
commercial oil well
具开采价值的油井
deep oil well
深井
deep well oil pipeline
深井石油管道柱
Dynamic of oil well
油井动态
dynamics of oil well
油井动态
electric pump oil well
电泵井
electrical heating rod+feedback viscous oil well pump
电热杆+反馈式抽稠泵
最近更新
front equationvesicular eye既有电气化铁道cross border tie混杂时间事件图authentic组成性突变similitude theoremto go against