造型用型心撑 moulder chaplete

心型撑 chaplet

管状心型撑 pipe chaplet

弹簧心型撑 spring chaplet

心型撑钉 chaplet nail

顺形心型撑 contoured chaplet

心型撑座 chaplet block

D型偏心支撑 D-type eccentrically braced

K型偏心支撑 K type eccentrically braced steel frames