自动手动转换开关板应为独立式，室内型、金属外壳装置，保护等级为IP42。
Auto transfer switch panels shall be free standing, indoor type, metal enclosed units with degree of protection IP42.
该测试系统可被用于各种装置，例如连接器、开关、多芯电缆和印制板。
This test system may be used on a variety of devices, such as connectors, switch es, multiple conductor cables, and printed circuit boards.
蝶板的开关位置都由蜗轮传动装置上的调节螺杆限位，指示牌指示阀的开关位置。
The switch position of butterfly disc is limited by the adjusting screw pole on the worm gear transmission device. The indicating device displays the position of the valve switch.
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