【L245Q管线管】,,L245Q钢管,,“L245Q管线管” 13821206909█▇▆▅▄
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其中线管钢级有API5L-PSL2: BR/L245R X42R/L290R BN/L245N X42N//L290N/X46N/L320N X52N/L360N X56N/L390N X60N/L415N BQ/L245Q X42Q/L290Q X46Q/L320Q X52Q/L360Q X56Q/L390Q X60Q/L415Q BM/L245M X42M//L290M X46M/L320M X52M/L360M X56M/L390M X60M/L415M X656M/L450M X70M/L485M X80M/L555M X90M/L625M/X100M/L690M L120M/L830/L245/L360/A53/ J55/N80X42/X46/X52/X56/X60/X65/X70等特殊材质
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