中箱

A high speed line material vertical rolling mill framework moderating machine gearbox of Hunan steel Co., Ltd, the gear teeth of the first transmission spiral bevel wheel were broken.

詹仁杭，轧立式轧机减速机螺旋伞齿轮断齿原因分析湘钢一高速线材粗中轧立式机架减速机齿轮箱，第一级传动螺旋伞齿轮轮齿断裂。

"They all have a string-bearing neck that projects through a small resonator and a bow, the hair of which passed between the two strings."

这些胡琴都有琴杆，上有琴弦，琴杆从一小共鸣箱及弓中伸出，弓毛穿过两弦之间。

With its excellent section characters, the prestressed concrete box beam plays a main role in the girder bridge.

预应力混凝土箱梁以其优良的截面性质在梁桥中占据了主要地位。

During the construction of doube-track high-speed railways, box beam structures are used widely.

在双线高速铁路建设中，广泛采用整体箱型梁结构形式。

The paper discussed proportion between side span and middle span in three spans prestressed continuous box beam bridge.

本文对三跨预应力连续箱梁桥的边跨与中跨比例问题进行了初步的探讨。

At last, the paper bring out a difficult that the closure of box beam is hard to meet the design desired for the reason of the construction progress and the construction weather condition and others.

本文从理论上进行了分析，提出了PC连续箱梁在低温合龙的措施并在该桥中得到应用。

The paper introduces application of proportioning of fly ash concrete with C50 high-performance in cantilever cast of main bridge box beam.

介绍C50高性能粉煤灰混凝土配合比在大桥主桥箱梁悬臂浇筑实际施工中的应用。

Thin-walled box girder is often used in bridge engineering.

箱形薄壁梁是桥梁工程中经常采用的结构。

The box girder has been used widely in modern cable-stayed bridges due to its excellent structural performance.

箱梁具有良好的结构性能，在现代斜拉桥中得到广泛应用。

Prestressed concrete continuous box girder bridges are widely used in middle and long span bridges,and will be more widely used.

0前言预应力混凝土连续箱梁桥在中等、大跨径桥梁中得到广泛使用，且有着广阔的应用前景。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。