The key of the problems is to design the seals and the speeding mechanism of the bottom cover of the reactor reasonably.

The Design Principle of Empty Jar Bottom Cover Counting Number Machine

空罐底盖计数机设计原理

Construction and commercial real estate was a proven way to go until the bottom suddenly fell out.

在触底之前，建筑和商业不动产是不错的方法。

The stock market had seen a few days of wild selling and buying beforehand, but on October 28th and 29th the bottom fell out.

股市在那之前的前几天有大量的易手，但在十月28、29日跌破底线。

IN THIS ARTICLE: Six years after the bottom fell out of the art market in 1990, the very rich are buying again.

本文简介：1900年艺术品行市暴跌，6年过后，富豪们再度将钱投向艺术品。

The bottom fell out of his world ( ie His life lost its meaning) when his wife died.

他妻子死时，他的世界陷於崩溃（他的生活失去了意义）。

Then the market's bottom fell out in the dot-com bust.

后来，网络泡沫破灭，市场形势急转直下。

But then the bottom fell out.

但是随后经济陷入低谷。

The bottom fell out of the Muni bond market as a result.

美国市政债券市场因此再创新低。

The bottom fell out of the market when the economy tanked last fall.

当去年秋季经济样败之后价格底线最终退出市场。

Then the bottom fell out of the market."

紧接着，房地产市场崩溃了。”

The test results show that, the flexural fatigue strength of polyacrylonitrile fiber reinforced concrete beams with bottom layer steel fiber is larger than the plain concrete 15.7%;

研究证明：底层撒布较长钢纤维的聚丙烯腈纤维混凝土梁的弯曲疲劳强度比素混凝土提高15.7%；

Measures to Thoroughly Solve Leakage at Bottom Flange of PLG Spherical Tank

石油液化气球罐底法兰泄漏的根本解决措施

Parameter Analysis of Bottom Flange Thickness of Main Girder with Box Cross Section Used in Cable-stayed Bridge

斜拉桥箱形主梁底板厚度的参数分析

Study of local bending stress in bottom flange of ⅰ-beam crane rail

起重机工字钢轨下翼缘局部弯曲应力的研究

Yielding analysis of the steel beam bottom flange has some influence on the deflection calculation of composite beams.

钢梁下翼缘屈服对组合梁挠度计算有一定影响。

Manufacture Technology of Diversion Bottom Outlet Radial Gate of Three Gorges

三峡导流底孔弧形闸门制造技术

Structure Improvement of the Burning Bottom Layer Fan Gate

烧结布料铺底料扇形闸门装置结构改进

The modified technology improved the temperature field and fluid field of liquid steel in arc furnace, decreased the etch of bottom and gate of furnace and intensified the whirl of surface of liquid steel.

该项改进的技术改善了电弧炉内钢液温度场和流场，减少炉底和炉门局部侵蚀，加强钢水液面的旋转。

Study on vibration of bottom outlet gate for Three Gorges Project by hydroelastic model

三峡大坝导流底孔闸门流激振动水弹性模型试验研究

We also find that SiN_x, used as the gate-insulator-layer of the bottom gate TFT, can increase ( by about 20%) the crystalline volume factor ( Xc) of μ c-Si thin film deposited thereon.

同时又发现，以sin x为栅绝缘层的底栅TFT，对随后生长的硅基薄膜有促进晶化的作用（约20%）。