back lash
筛管绕丝间隙 screen opening
绕丝间隙 wrap spacing
发丝缝隙 hair crack
游丝间隙 spring clearance
微间隙多丝正比室 micro-gap wire chamber
嗅丝周围间隙 Peripheral space of fila olfactoria
配德国产双螺母自动消隙滚珠丝杆，进口直线导轨。
Germany double nuts automatic ball screw with imported linear guide rail.
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