The ends (30, 32) of the two lines are enclosed in a protective cover (30a, 32a) e.g. in the form of a metal tube that is able to deform during transmission of the command and break the weakened section.LANGLOIS, JEANBONNET, GUY...
stumpfsinnig (adj) ①痴呆的,迟钝的,呆头呆脑的;麻木不仁的②[贬]无聊的,单调的 广告x