【单选题】MF MSI radiotelex is on the frequency of ____.
【单选题】电梯曳引机通常由电动机、减速箱、机架、导向轮和()组成。
【单选题】The frequency 518KHZ will be used to transmit()and()wanings in NAVTEX.
A.
navigational / typhoon
B.
traffic / meteorological
D.
navigational / meteorological
【单选题】电梯曳引机通常由电动机、( ) 、减速箱、机架和导向轮等组成。
【单选题】Which frequency band does the 518 kHz belong to?
【单选题】电梯曳引机通常由电动机、( )、减速箱、机架和导向轮组成
【多选题】电梯曳引机主要由()、联轴器、曳引轮、盘车手轮和底座等组成
【单选题】The frequency 518kHZ will be used to transit ________and ______warnings in
B.
traffic/meteorological
D.
navigational/meteorological
【单选题】The frequency 518khz will be used to transmit___and___warnings in NAVTEX
B.
traffic/meteorological
D.
navigational/meteorological
【单选题】The frequency 518kHZ will be used to transmit ________and ______warnings in NAVTEX.
B.
traffic/meteorological
D.
navigational/meteorological