非标准防爆器
non-standard explosion prevention device
非标准动态逻辑
nonstandard dynamic logic
非标准电视信号
unstandared television signal
非标准电话号码
NSTN Non Standard Telephone Number
非标准地面站
non-standard earth station
非标准导程的螺纹
non-standard pitch screw-thread
非标准刀具
non-standard cutting tool
非标准带圆角矩形截面容器
nonstandard pressure vessels of rectangular cross section with round angles