Special assembly machines 特殊装配机械 Special handling machines 特殊操作机械 Reconstruction of machines and mechanical assemblies 改造机械和机械零件 ..
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家用和类似用途的自动电气控制。第2 - 19部分：电气操作油阀门的特殊要求，包括机械要求。修改件1。
Automatic electric controls for household and similar use - Part 2-19: Particular requirements for electrically operated oil valves, including mechanical requirements; Amendment 1.
特殊截面的密封和单手操作的自锁紧机械装置确保密封的最优化。
An optimum seal is guaranteed by special profile seals and a self-tightening locking mechanism which is operable with one hand.
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