小直径管 meaning in English

macaroni
narrow bore tube
narrow tube
small diameter pipe

Small bore heating system
小直径管供热系统
Aerospace series - capillary tubes , seamless , in heat resisting alloys - diameter 0 , 6 mm d 2 mm ; dimensions ; german and english version en 4045 : 2001
航空航天系列.耐热合金无缝小直径管.管径0 . 6 mm 2
Uns s31673 standard specification for wrought seamless or welded and drawn 18 chromium - 14nickel - 2 . 5molybdenum stainless steel small diameter tubing for surgical implants uns s31673
外科植入物用锻造无缝或焊接和拉拔18铬- 14镍- 2 . 5钼不锈钢小直径管的标准规范
Standard specification for wrought seamless and welded and drawn cobalt alloy small diameter tubing for surgical implants uns r30003 , uns r30008 , uns r30035 , uns r30605 , and uns r31537
外科植入物用锻造无缝和焊接及拉制的钴合金小直径管的标准规范uns r30003 uns r30008 uns r30035 uns r30605和uns r31537