steel pipe used for transporting oil and gas
返回 19 条匹配短语对
butt welding for steel pipe
钢管对接
high-pressureno gas spraying for steel pipe
钢管内高压无气喷涂
High-speed Steel Used for Rolls
轧辊用高速钢
HP295 Steel for Gas Bottle
HP295气瓶钢
N80 # oil pipe steel
N80#油管钢
N80 class oil pipe steel
N80级石油管
slight expansion concrete for steel pipe
钢管微膨胀混凝土
steel for oil tubing and casing
套管用钢
Steel for Oil Well Tubing
油井管用钢
steel oil pipe
输油钢管
steel pipe for water transmission
输水钢管
steel used for bridge
桥梁用钢
steel used for gear
齿轮用钢
steel used for hydraulic turbine
水轮机用钢
Steel Used for Pressure Vessel
压力容器用钢
low pressure pipe for transporting water
低压管道输水
Used Oil Pipe
旧油管
hot rolled round bar used for oil extraction rod
抽油杆用热轧圆钢
evaluation for oil gas trap
油气圈闭评价
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