Take the new lamp from the package and loosen the two side ring nuts and insert in the mountings.
从包装内取出新的灯具，拧松悬挂框两边的环状螺帽并装上悬挂框。
They are the nuts with nonmetallic elements (normally Nylon insert) full collars or rings at the top.
六角锁紧螺母是一种有非金属物质(通常为尼龙)的颈圈嵌入的螺母。
They are the nuts with nonmetallic elements (normally Nylon insert) full collars or rings at the top.
六角锁紧螺母是一种有非金属物质(通常为尼龙)的颈圈嵌入的螺母。
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