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plain carbon plain plain plain carbon 怎么翻才好,spped and feed rates may be increased somewhat for subsequent bulk milling to 50-75% of the settings used for plain carbon steel. 请问Carbon steel Plain Flanges PN-16 RF DIN 我只知道是法兰的种类,但不知道是哪一种,急用---------------------Quotation---------------------1:Carbon steel Plain Flanges PN-16 RF DIN （碳钢法兰）Size:1/2 3./4 1 11/2 2 3 4 5 6 the plain plain soap 怎么翻才好,both the high strength structural grades and the wear and abrasion resistant grades can be cut using the same type of equipment employed in cutting plain carbon steels carbon life carbon steel carbon是什么意思 carbon offsetting sulfonated carbon Carbon dioxide Carbon 9 Carbon uptake