This is a weak market. The resistance levels are very strong. The support near 3500 was a temporary support level.
市场目前非常弱，阻力位很坚固。3500点附近的支撑位只是一个暂时的支撑位。
The temporary support means not only ensures the safety of tunneling face but also increases tunneling efficiency.
该临时支护方式既保障了掘进工作面的安全，又提高了掘进效率。
Expounds the existing problem of coal tunnel temporary support, put forwards the advantage and safety of new method.
阐述了煤巷临时支护现用方法存在的不足和隐患，提出了采用新支护方法的优点和安全性。
The temporary support technology of pre-support in tunnel is introduced. Its advantages and disadvantages are analyzed.
介绍了当前隧道超前预支护技术的现状，分析了其优缺点。
The construction method of air assembling separately for grid installation is adopted, the same as temporary support system of steel scaffold.
网架安装采用空中散拼的施工方法，采用钢管脚手架临时支撑体系。
The roadheader-borne temporary support is enabled to greatly increase the productivity of drift excavation, decrease hand labour for supporting, and ensure productive safety.
在掘进机上增加机载式临时支护机，可以大大提高掘进工作的劳动效率、降低支护工作劳动强度并保障生产安全。
This paper presents the prepressing and installation technology of the temporary support saddle, and the installation and grouting technology of the permanent support saddle.
本文介绍了金塘大桥非通航孔桥临时支座预压、安装技术，永久支座安装及灌浆技术。
This paper presents the prepressing and installation technology of the temporary support saddle, and the installation and grouting technology of the permanent support saddle.
本文介绍了金塘大桥非通航孔桥临时支座预压、安装技术，永久支座安装及灌浆技术。
应用推荐