Geological Features and Prospecting Direction of Pangkaimen Gold Deposit,Middle of Daxing′anling;
大兴安岭中段旁开门金银矿地质特征及找矿标志
The soak pot with door turning device was designed for Jilin charry product limited company.
带开门装置的浸渍罐是为吉林炭素股份有限公司设计的用于浸渍电极设备。
How to accurately determine the opening position in the course of the important holing - through construction;
在重要贯通工程中如何准确确定开门位置
Objective To evaluate the retaining spinal posterior structure to bilateral open-door expansive laminoplasty.
目的评价保留脊柱后部结构式颈椎后路双开门椎管扩大成形术的临床意义。