对框架柱顶夹渣层用高强细石混凝土粘钢板套箍等方法加固，提出了具体的加固方法和注意事项。
Mehods and issues to be concerned in the strengthening of the slag layer in the top of the frame column with high strength fine stone concrete and steel plate hoop.
夹矸层的厚度及物理力学性质对顶煤的应力分布和移动有重要影响；
The thickness and physics mechanics nature of rock parting have important influence on the stress distribute and its movement of top coal.
玻璃纤维增强塑料夹砂管（离心浇铸工艺）作为顶管管材运用于顶管工程中的设计、施工介绍。
Glass fibre reinforced plastic mortar pipe(Centrifugal casting process)is introduced to be as jacking pipe material used in the design and construction of one jack engineering project.
采用仪器中子活化分析法(INAA)测定了华北晚古生代石炭纪-二叠纪58个煤及煤层夹矸和顶底板样品的稀土元素含量。
An INAA (Instrumental Neutron Activation Analysis) method was used to determine the abundance of rare-earth elements in 58 late Palaeozoic coals and related rocks in North China.
本厂主要产品有：各种起钉器、凿、锉、园艺工具、电瓶夹、铲、冲击钻头、撬棍、千斤顶支架、雕刻刀等。
The main product we have is: all kinds of wrecking bar big file and rasp garden tool battery terminal various bolsters pound at the avger pry the stich jack engraving knife etc.
对于煤层内夹石厚度比较大的情况，建议不采用放顶煤开采。
“对花针”用于裁片时固定花位，“针匙”则套于针顶以便“裁布夹”用于将“大裁”完之布片锁定以便“小裁”
"Fixing Pins" used to match the pattern, "Pin-holder"protected the pin to "Cloth Clip" used for clipping the cloth after "frist cut" on bench.
为了满足轻型放顶煤开采的需要，对6MG 2 0 0w型采煤机进行了技术改造，使其适应工作面倾角大、夹矸断层多的工作条件。
To meet the needs of coal fall down mining technology, the technical reformation have been made on 6mg200w shearer and therefore it can use in the big seam Angle, more ore and seam broken condition.
密封板包括芯部层和顶 部和底部夹置层，其组分根据所需目的而选择；
The gland plate comprises a core layer and a top and a bottom sandwiching layers, the composition of which is selected for the desired purpose;
密封板包括芯部层和顶 部和底部夹置层，其组分根据所需目的而选择；
The gland plate comprises a core layer and a top and a bottom sandwiching layers, the composition of which is selected for the desired purpose;
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