异径三通(一个直通口及分支口为异径) reducing tee (reducing on one run and outlet) 异径三通(两个直通口为异径,双头式) reducing tee (reducing on both runs, bull head) 45°斜三通 45° lateral 45°斜三通(支管为异径) 45° lateral (reducing on branch) ...
异径三通(一个直通口及分支口为异径) reducing tee (reducing on one run and outlet) 异径三通(两个直通口为异径,双头式) reducing tee (reducing on both runs, bull head) 45°斜三通 45° lateral 45°斜三通(支管为异径) 45° lateral (reducing on branch) ...