针车安全防护装置实例 中英文
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Needle guard is a fundam protective device for sewing machines. The device prevents operator's fingers being hit by the needle.
Very often needle guards
being lift up, which would substantially affect its protective function
When needle guard is ins
too high, it would also lose its protective function.
Return
is installed at it would also lose its
e function.
uards are up, which would
ally affect its protective
ndamental
e device for sewing
s. The device prevents s fingers being hit by the