拖链，一般应用在机床机械等的电缆、油管、气管、水管、风管上，起牵引和保护作用。
Drag chain, normally used in machine tool machinery and other cable, tubing, the trachea and conduit, air ducts, with traction and protection.
室体驱动装置由行驶装 置及电机组成，进气装置包括进气管、设置在进气管侧面的若干进气口、及进风管连接装置；
The air inlet device comprises an air inlet pipe, a plurality of air inlets arranged on side face of the air inlet pipe, an air inlet pipe connection device.
拖链，一般应用在机床机械等的电缆、油管、气管、水管、风管上，起牵引和保护作用。
Towline, the role of general application in machine tools, machinery and other cables, tubing, trachea, water pipes, duct, since the traction and protection.
拖链，一般应用在机床机械等的电缆、油管、气管、水管、风管上，起牵引和保护作用。
Towline, the role of general application in machine tools, machinery and other cables, tubing, trachea, water pipes, duct, since the traction and protection.
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