location of openings for pressure relieving devices 泄压装置开孔的位置...relieving attachment 渐离附件,后退附件,铲齿附件...stress relieving grooving 消除应力开沟,防裂槽...stress relieving 应力消除...relieving tool 铲刀...relieving anode 接替阳极...pressure relieving device 卸压装置...
交流互动
发表言论