本文对三种窝形翅片管——单面球形窝、单面柱形窝、双面球形窝与普通光滑平板式翅片管在吸风式直流风洞上进行了性能对比实验研究。
A performance comparison experimental research of three kinds of socket-shape fins and plain-plate fin is carried out in a drawing wind tunnel.
悬臂式货架、深展式货架、货架适用于存放长物料，环行物料，板材和不规则货物，托臂可以是单面或双面。
Suitable for long goods, circle goods, plate goods and irregular shape goods. Thearm is as single-side or double-side.
单面听诊头的便携式高性能听诊器；
Portable high-performance single-head stethoscope auscultation;
本机由卷筒纸无轴支架，单面瓦楞成型机，旋转式分切机三部分组成。
This machine is composed of web non-axis support, single face shaping machine, and rotary type dividing and cutting machine.
本公司生产的系列机床有动梁式龙门镗铣床、卧式单面镗铣床、卧式单注铣床、铣削动力头等。
Yunshn Machine Tool Manufacture is specialized in producing series of planer type milling machine, horizontal boring milling machine, horizontal single-column milling machine, milling power head, etc.
本公司生产的系列机床有动梁式龙门镗铣床、卧式单面镗铣床、卧式单注铣床、铣削动力头等。
Yunshn Machine Tool Manufacture is specialized in producing series of planer type milling machine, horizontal boring milling machine, horizontal single-column milling machine, milling power head, etc.
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