Brown first attempted to pry loose the ceiling rod and red gemstone, but neither would budge.
布朗首先尝试弄明白如何拧松天花板的金属竿和竿上经过雕琢的红色宝石，但是皆不能拧动。
But in the ceiling, whether we choose the asbestos board or choose the mineral wool board, usually hang with a screw rod, so that it can be more durable.
可是在吊顶时，无论我们选择的是石棉板还是选择的矿棉板，一般都是用螺丝拉杆悬挂，这样才能够比较经久耐用。
The ceiling mount portion includes a mounting plate (32), a rod (33), and a cup-shaped coupler (34).
所述天花板安装座部分包括一安装板(32)、一杆(33)、及一杯形耦接器(34)。
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