The Laochang deposit is a large of Ag Pb polymetallic deposit controlled by a mineralization unit composed of upper limestone and lower volcanic rock.
澜沧老厂系受燕山期构造控制由上部灰岩与下部火山岩组成统一矿化体的银铅多金属大型矿床。
You can select the airfields, if there are any on the base, by using the unit group icons in the upper left corner.
你能选择飞机场，如果在基地上剩下任何东西，使用左上角的单位组图像。
The unit pressure in backward extruding hollow billet has been calculated by the slip line method and the upper bound method.
本文对空心件反挤的单位挤压力，采用滑移线法和上限法进行了计算。
In this paper, kinematics of upper air valve unit is analyzed. The displacement, velocity and acceleration of air valve are calculated by accurate and approximate methods.
对顶置式气门机构进行了运动学分析，通过平底推杆的运动规律求得气门的升程、速度和加速度，分别给出了精确解和近似解。
In above mother electrode, the supportive electrode is characterized by the following: integrating upper and down discharging units into one part and exerting voltage on upper unit and down unit.
在上述母线电极中，支持电极的母线电极以如下为特征：将上下放电单元的母线电极合并为一体，同时向上部单元和下部单元施加支持电压。
The test results are displayed on the indication unit by the upper computer.
上位机将测试结 果在指示单元上显示。
The test results are displayed on the indication unit by the upper computer.
上位机将测试结 果在指示单元上显示。
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