The outer barrel of the syringe should be transparent enough; bench line can be seen distinctly.
注射器外套应有足够透明度，能清晰地看到基准线。
Gun barrel is a thick and hollow part which is composed with three characteristic surface: line chamber, chamber, outside surface.
枪管是一种厚壁空心管件，由线膛、弹膛、外表面三部分组成。
Based on this method, the design and construction of barrel vault advanced support in line Fuxingmen to Bawangfen of subway and the heating pipe in Beijing got a perfect result.
按此方法指导的水平管棚设计施工在北京地铁复八线和热力管道工程中取得了良好的效果。
The wire-line coring tool of HSQ serial has kept up the technical features of conventional placer drills and derived the advanced structure from steel cable fishing tool for inner barrel.
HSQ系列绳索取心钻具，既保持了现用砂钻钻进的工艺特点，又发挥了钢绳打捞内管技术的方便性。
The line includes shampoo vessel, mixing vessel, dosage barrel, operation plat form, control cabinet and relevant parts, such as filters, pipes, valves.
香波生产线通常由香波锅、配料锅、计量桶、操作平台、控制柜以及相关的过滤器、管道、阀门组成。
The calculating results show that the maximum of the overvoltage between the barrel tower and the transmission line will appear at the up end and the lower end.
计算结果表明，镜筒塔和传输线之间的过电压的最大值将出现在向上的端部和下端。
The calculating results show that the maximum of the overvoltage between the barrel tower and the transmission line will appear at the up end and the lower end.
计算结果表明，镜筒塔和传输线之间的过电压的最大值将出现在向上的端部和下端。
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