At the bottom of this plate, an aperture had been pierced exactly similar to the orifice of a letter box.

在那铁皮的下方，开了一个口，和信箱的口完全同一样。

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A fan (85) in the fan box (72) circulates heated air by discharging via openings (90) in a top and a bottom and taking in via an intermediate opening of a baffle plate (74).

风扇盒(72)内的风扇(85)通过经挡板的顶部和底部开口(90)排出和经挡板(74)的中间开口吸入使经加热的空气循环。

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This pile box foundation is a box typed structure which consists of the bottom plate, top plate, outside wall and inside longitudinal and lateral walls, and by which the upper loadings are distrib…

桩-箱基础系由底板、顶板外墙、内纵横墙构成了箱形结构， 把上部荷载分配给桩。

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