raschel-type beam lay-out 拉舍尔式经轴配置
The parameter data-base of the beam pumping unit and the newly energy-saving pumping unit is established, which lay a solid foundation for the simulation of the rod pumping system.
建立了游梁抽油机和新型节能抽油机的参数数据库，为实现对有杆抽油泵系统的仿真研究奠定了基础。
A yellow beam of sunlight, filtering through the muslin curtains, slanted on to the table, where a matchbox, half open, lay beside the inkpot.
一缕金黄色的阳光透过平纹薄棉布窗帘，斜射在桌子上。桌上的墨水瓶旁边有一盒半打开的火柴。
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