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

<ruby id="kzrvi"><output id="kzrvi"></output></ruby>

<blockquote id="kzrvi"><acronym id="kzrvi"><div id="kzrvi"></div></acronym></blockquote>

單項選擇題

As its temperature rises, the volume of fuel oil in the tanks will （）.

A.remain the same
B.increase
C.decrease
D.none of the above

你可能感興趣的試題

單項選擇題

Which of the listed extinguishing agents is NOT suitable for fighting a liquid paint fire?（）

A.Dry chemical
B.Foam
C.Water
D.Carbon dioxide

單項選擇題

In the fire main system, quick cleaning strainers are located at the（）.

A.pump suctions
B.pump discharge
C.fire hydrants
D.hose nozzle