片语
removable spool piece可拆短管
spool piece spool管段
new spool piece新建膨胀弯
SPOOL PIECE MARKING管件标记
flanged spool piece双法兰短管
articulated spool piece铰接联接短管段
leg spool piece折线形法兰联接短管段
blind flanged spool piece盲法兰短管
exhaust casing排气外壳;排气套管
spool piece installation膨胀弯安装