Hydrocarbons ( HC ), like carbon monoxide, represent unburned and wasted fuel.碳氢化合物 ( HC ) 像一氧化碳一样, 为未燃尽的和被浪费掉的燃料.With this restricted frequency range it is not applicable to hydrocarbons.这个较紧缩的频率范围不适用于烃类.These compounds...
ITQ - 27 is stable to calcination in air , absorbs hydrocarbons , and is catalytically active for hydrocarbon conversion.ITQ-27对于在空气中煅烧而言是稳定的, 可以吸附烃类,以及对烃转化具有催化活性.Any of three gaseous isomeric ethylene hydrocarbons , C 4...
There was ten tenths cloud at that time.当时云层厚度是十度.We received only two tenths of an inch of rain during the entire month of June.整个6月，我们这里的降水量只有0.2英寸。The spring had been unusually dry and we received only two tenths of a...
Most accidents are easily avoidable.大多数事故是容易避免的.More than a quarter of the avoidable deaths in the developing world are caused by TB...发展中国家的可避免死亡中超过1/4是由肺结核引起的。These injuries were avoidable.这些伤是可以避免的。The tragedy was ent...
The timing of the gun was precisely synchronized with the turning of the plane’s propeller.风门的调速与飞机螺旋桨的转动精确同步。A fairing fitted over the hub of the propeller in some aircraft.螺桨毂盖,机头整流罩某些飞机上装于螺旋桨叶毂上的整流罩....the propeller s...