套管连接
telescopic joint
天线不连接开关
antenna disconncet switch
填函连接
packed slip joint
通道连接器
channel connector
通过孔连接
thru-hole connection
通信连接设备
communication linkage
通用连接装置
universal interconnecting device
同时连接
simultaneous connection
同位差连接法
idiostatic method
同轴线连接器
caxial-line feeder; coaxial-line connector; coaxial-line feeder
投影连接映象
projection join mapping
凸缘连接器
flange connector
外连接插件
input/output connector
外螺纹连接管
male union
腕状连接体
wrist-joint connection
外门板撑杆角铁
back head brace angle
踏
hoof; step; tread
踏板
footplate; gangplank; pedal; treadboard; treadle
floor sheet; foot-board; pedal
踏板键盘
pedal clavier
踏板调整
pedal adjustment