普通,H41W-16P-DN20 301材质,H41W-16P-DN20 304材质,H41W-16P-DN25 普通,H41W-16P-DN25 301材质,H41W-16P-DN25 304材质,H41W-16P-DN32 普通,H41W-16P-DN32 301材质,H41W-16P-DN32 304材质,H41W-16P-DN40 普通,H41W-16P-DN40 301材质,H41W-16P-DN40 304材质,H41W-16P-DN50 普通,H41W-16P-DN50 301材质,H41W-16P-DN50 304材质,H41W-16P-DN65 普通,H41W-16P-DN65 301材质,H41W-16P-DN65 304材质,H41W-16P-DN80 普通,H41W-16P-DN80 301材质,H41W-16P-DN80 304材质,H41W-16P-DN100普通,H41W-16P-DN100301材质,H41W-16P-DN100304材质,H41W-16P-D