alternating current meter
bidirectional ducted current meter
blade wheel current meter
bottom-mounted current meter
bucket current meter
浮游藻类种群结构
传输控制协议
TCP协议
叶片式流速计
calibration current transformer
constant current calibration
core spray pump current meter
cup-type low speed current meter
cup-type shallow and weak current meter
current meter
流速计
电流计
测流计
临仪
测速表
电流表
海流计
流速仪
流速表
临计
检流计
流量计
测流表
旋杯式流速仪
推进式流速仪
current meter measurement
current meter rating curve