In this kind of hotel, there are no ___( )__ rooms. A: luxury B: marvelous C: occasional D: sulphur

HTLA steels are susceptible to reheat cracking because they are with a lot of (). A: carbides B: hydrogen C: sulphur D: manganese

which one can directly contact with water？ A: Sodium metal B: Calcium carbide C: Metal hydride D: Sulphur powder

Sulphur dioxide (二氧化硫 ) from the use of coal and oil causes much acid rain, nitrous oxide (氧化氮) which erode our ozone layer.

Other emissions: Sulphur dioxide causes acid rain, nitrous oxide erodes the ozone layer. Both of these, mostly from coal and oil, we control 5) ____________.

Which two of the below greenhouse gases have the longest residence time? A: Carbon Dioxide B: Perfluorocarbons C: Sulphur Hexafluoride D: Nitrous Oxide E: Methane

sulphur/ ‘sΛlfə/ A: a.固体的 n.固体 B: a.立方形的;立方的 C: vt.动;拨动;激动 D: n.硫(磺),硫黄

sulphur / ‘sΛlfə/ A: n.硫(磺)，硫黄 B: n.金；钱财a.金制的 C: vt.调整，调节；校正 D: a.部分的；不公平的

Based on the user input of fuel sulphur content, minimum feed rate etc., the resulting cylinder ______for each individual cylinder unit is calculated. A: lubrication feed rate B: fuel feed rate C: charge air feed rate D: wear rate