oil pressure switch screw 油压开关螺丝
switch pressure screw 开关压力螺钉
Cold hot water switch screw 冷热水开关螺丝
switch mounting screw 开关安装螺钉
Switch button screw loosened 开关按钮上的螺丝松掉
screw travel limit switch 螺杆行程限位开关
drawbar pressure switch adjustment screw 牵引杆压力开关调整螺钉
Single cover retaining screw mounted on top of the flow switch for easy access.
在流量开关上安装一个盖子固定螺丝，便以打开进入。
"Clamp Type" knee switch which don't need to cut the table, drilling hole, install by screw. It's easy to fix them up.
“卡钳式”膝动开关，无须切割桌板、钻孔、装订螺丝，安装容易、简便。
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.
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。
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