Áö½Ä°Ô½ÃÆÇ [¸ÞÄ«ÇǾÆ]
¹øÈ£
Á¦¸ñ
ÆÄÀÏ
À¯¹«·á
µî·ÏÀÚ
µî·ÏÀÏ
´Ù¿î
È÷Æ®
2
ASTM PIPE
topscg
2008-12-02
104
4,248
1
¹è°ü±Ô°Ý
263
6,712