...1...[摘要]弯头(ELBOW)名称:45度弯头、90度弯头、180度弯头、卫生级弯头、焊接弯头、快装弯头材质:AISI304、AISI316...[摘要]大小头(REDUCER)名称:卫生级大小头、同心大小头、偏心大小头材质:AISI304、AISI316L规格:DN25-150 & 1...[摘要]大小头(REDUCER)名称:卫生级大小头、同心大小头、偏心大小头材质:AISI304、...
reducer 英英释义
noun
pipefitting that joins two pipes of different diameter
a substance capable of bringing about the reduction of another substance as it itself is oxidized
used in photography to lessen the density of a negative or print by oxidizing some of the loose silver