expanding type tubing packer
返回 19 条匹配短语对
ball type tubing safety valve
油管球形安全阀
blowout preventer of three stage packer type
三级密封式防喷器
hydraulic compression type packer
水力压缩式封隔器
ram type tubing hanger
炸药棒
ratchet type packer
棘轮型封隔器
set-down type packer
坐放式封隔器
shear pin type packer
剪切销钉式封隔器
static type packer
固定式封隔器
tension type packer
张力型封隔器
track-slip type packer
轨道式卡瓦封隔器
production tubing packer
油管封隔器
tubing packer
油管封隔器
Mechanical expanding process and hydraulic expanding process
机械式与液压式扩径
fish bone type explosion type
鱼刺起爆法
herpes simplex type I and type II
单纯疱疹病毒
influenza viruses type A and type B
流感病毒
Kunlun type and Himalayan type
昆仑山型和喜马拉雅型
quartz vein type and altered rock type gold deposit
英脉型和蚀变岩型金矿床
red land type and carlin type gold deposits
红土型与卡林型金矿
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Interference factor钨酸钠二水合物天然单晶金刚石High Chromium Casting Iron锻造工艺规程圆柱直齿轮视黄醇结合蛋白基因西安测绘总站绞链接合