單項選擇題

The ARPA may swap targets when automatically tracking if two targets（）

A.are tracked on reciprocal bearings
B.are tracked at the same range
C.are tracked on the same bearing
D.pass closely to each other

你可能感興趣的試題

單項選擇題

Vapor given off by a flammable liquid will burn when ignited provided（）

A.the vapor and air mixture is too rich
B.it is mixed with certain proportions of air
C.the vapor is too little compared to the air
D.it is of heavy toxicity

單項選擇題

Fixed piping leads from the（）to various areas of the compartment to be flooded.

A.manifold
B.remote pull box
C.discharge nozzle
D.machinery space

99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

The ARPA may swap targets when automatically tracking if two targets（）

你可能感興趣的試題

Vapor given off by a flammable liquid will burn when ignited provided（）

Fixed piping leads from the（）to various areas of the compartment to be flooded.

99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精