短语词组短语lug support arm 叉耳支臂lug support with stiffening ring 刚性环耳式支座support lug 支耳;耳座;支承撑架vessel support lug 压力容器支耳integral support lug 整体支耳support lug for bolt 机头支撑凸部thermal shield support lug 热屏支承耳 返回 lug support