国产精品久久久久久久久,四季AV一区二区夜夜嗨,日韩精品无码中文字幕电影,www.五月婷婷.com

大口徑無縫鋼管貨源表

規(guī) 格

材質(zhì)

規(guī) 格

材質(zhì)

規(guī) 格

材質(zhì)

25*2.5-3-3.5-4-6

20#45#

60*3-4-6-8-10-12

20#45#

95*14-16-18-20

20#45#

32*3-3.5-4-5-6

20#45#

63.5*3.5-6-8-10-12

20#45#

102*4.5-6-8-10-12

20#45#

34*3-4-6-7-8

20#45#

68*4-6-8-10-12

20#45#

102*14-16-18-20

20#45#

36*3-4-6-7-8

20#45#

70*4.5-6-8-10-12

20#45#

108*4.5-6-7-8-12

20#45#

38*3-3.5-4-6-8

20#45#

73*4-6-8-10-12

20#45#

108*14-15-16-18-20

20#45#

40*3.5-4-6-8

20#45#

76*4.5-6-8-10-14

20#45#

114*4.5-5-6-8-10

20#45#

42*3-3.5-4-6-8

20#45#

80*5-6-8-10-12-14

20#45#

114*12-14-16-18-20

20#45#

45*3-4-6-8-10

20#45#

83*5-6-8-10-12

20#45#

121*6-8-10-12

20#45#

48*3.5-5-6-8-10

20#45#

83*14-16-18-20

20#45#

121*14-16-18-20

20#45#

51*3-3.5-4-6-8-10

20#45#

89*4.5-6-8-10-12

20#45#

127*5-6-8-10-12

20#45#

54*4-6-8-10-12

20#45#

89*14-16-18-20

20#45#

127*14-15-16-18-20

20#45#

57*3.5-4-5-6-8-10

20#45#

95*5-6-8-10

20#45#

133*5-6-8-10-12-18

20#45#