The opening is configured for travel about the needle to facilitate extension of the shield from a retracted position to an extended position.
开口构成为围绕着针头行进以便于防护件从回缩位置延伸至延伸位置。
The closure member (22) at least partly closes the access opening (23) in a rest position (32) of the closure member (22).
锁闭构件(22)在其一个静止位置上(32)至少部分地将进入口(23)锁闭。
In the left chamber is arranged with a heater corresponding the position of the air outlet opening.
所述左腔室内对应于排气口处设有加热器。
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