... pneumatic fire detecting system 气动火警探测系统气动侦火系统 pneumatic float 充气浮筒 pneumatic gauge 气动测量仪表 ...
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float-type pneumatic water feeder 浮子式气压加水器
float type pneumatic measuring instrument 浮子式气动测量仪
float type pneumatic measuring chain 浮标式气动测量链
Float-type pneumatic measuring instruments 浮标式气动量仪
float type pneumatic index 浮标式气动指示器
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