天花板

F the materials used to construct internal bulkheads, panelling and sheeting, floors and joinings shall be suitable for the purpose and conducive to ensuring a healthy environment

f 用于建造内部舱壁、天花板和衬板、地板和铺设的材料应适合于其自身功用并有益于保证健康环境；应提供适当的照明和充分的排水系统；以及

Fthe materials used to construct internal bulkheads, panelling and sheeting, floors and joinings shall be suitable for the purpose and conducive to ensuring a healthy environment

f用于建造内部舱壁、天花板和衬板、地板和铺设的材料应适合于其自身功用并有益于保证健康环境

However, relatively few of the secondfloor ceiling joists themselves were damaged.

但是第二层楼天花板托梁却被破坏得较轻微。

But she took courage, laid the wool more thickly over the poor swallow, and then took a leaf which she had used for her own counterpane, and laid it over the head of the poor bird.

当她们来到那只死鸟躺着的地方时，鼹鼠就用他的大鼻子顶着天花板，朝上面拱着土，拱出一个大洞来。

It requires only some lightings from the fluorescent light on the ceiling, and it's virtually maintenance free.

它要求只有一些照明的日光灯在天花板上，而且几乎免维护。

I want 12 colors and lollipops on the ceiling.

我想要十二种颜色的天花板上面还有很多的棒棒糖。

The atrium roof closes a sundown and if the louvers are up for more than 40 seconds at night

的确是这样。日落后天井就会关闭，如果天花板在晚上开启超过40秒

The internal ceilings consist of textile-covered louvres that soften and scatter the light, while permitting the space and structure above them to be appreciated.

内部天花板包括纺织覆盖百叶窗的软化和散射光，同时允许空间和结构上述他们的赞赏。

Well, I guess the very high windows along the north side going down to the lower ceiling height on the south basically allows you to get a lot of sun in through these windows in winter and the louvres which go out actually go to a point where the sun can be shaded completely in summer but they can be opened to let the sun right back into the house though winter.

这房子的北面的一排高窗户一直延伸到南面的天花板，主要是为了冬天日照充足；而百叶窗板在夏天能有效减少日晒，但是冬天也可以把它打开，让阳光重新进入房间。

It is a maze of low-ceilinged corridors and linoleum floors, in shades of magenta, brown and nicotine yellow.

这栋象迷宫一样的大楼中，过道的天花板很低，地上铺着亚麻油毡地毯，暗暗的紫红色，棕色和烟焦黄构成大楼内部的主色调。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。