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vītņtapai ir grope skrūvgriezim, bet gludajai ripai vidū ir pacelšanas caurums.
the screw plug has a screwdriver slot and the smooth disc has a central lifting hole.
最后更新： 2014-11-21
使用频率： 6
质量：
iedobumu slēdz ar stiepta misiņa vītņtapu vai misiņa tapu, kurai ir gluda ripas forma.
the cavity is closed by a screw plug of drawn brass or by a brass plug in the form of a smooth disc.
最后更新： 2014-11-21
使用频率： 6
质量：