... pre ure-operated 压力操纵的 pre ure-regulating device 调压机构 pre ure-se itive adhesive 压敏胶粘剂 ...
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pre ure-operated valve 压力操纵阀
pre ure-operated switch 压力操纵开关
pre ure-operated load switch 压气式负荷开关
pre ure operated deluge valve 加压式雨淋阀
pre ure-operated switch waterflow alarm 压力动作开关水流报警器
pre ure-lo operated deluge valve 压力损失动作的雨淋阀
air-operated pre ure control valve 气动式压力控制阀
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