你可能感興趣的試題

As an extinguishing agent，foam（）.

A.conducts electricity
B.should be directed at the base of the fire
C.is most effective on burning gases which are flowing
D.extinguishes by cooling oil fires below ignition temperature

單項(xiàng)選擇題

Any ship damaging a pipe could（）an immediate danger of fire.

A.meet
B.face
C.be in font of
D.follow

As compared to carbon dioxide，dry chemical has which advantage?（）.

你可能感興趣的試題

As an extinguishing agent，foam（）.

Any ship damaging a pipe could（）an immediate danger of fire.

As compared to carbon dioxide，dry chemical has which advantage?（）.

As an extinguishing agent，foam（）.