By invention, the liquid fog, atomization is done in the principal part of the space, this principal part is considered usually as the margin, but the inert gas which is heavier than the air desirably, because it is the cable and the like atomization is done in the narrow part space....
根据The carbon dioxide that people and animals breathe(呼吸)out is used by plants to breathe and help them(人类和动物呼出的二氧化碳被植物用来呼吸和帮助它们)可知二氧化碳帮助指物生长。故选A。(5)考查短语。A.put away储存;B.give off发出;C.take up开始从事;D.hold on坚持。根据t...
air leaks at a building entry door. In our experience, if a door is leaky, that effect on the building's energy efficiency or unwanted heat loss or heat gain will far dominate the actual R-value of the door. A very leaky window or door is tantamount to leaving the door partly open!
(土还房) 1 (build)by the Pueblo Indians of the American Southwest are admired by even1._most modern of architects and engineers.In addition to their simple beauty, what makes the adobe dwellings admirable is their___l_(able)to "air condition" a house without___1 (use)electric equipment...
It may be worthwhile to ship a smaller consignment by air instead of by sea as the difference in price between the two modes of transport is much less for lighter cargo than for heavier loads. Context is also important. How important is it to you that your shipment reaches on time? Are...
The dropper’s shape is like a pen, with a sharp and heavier lower end. So when it ripens, it drops and inserts itself together with the seedling into the mud below as a result, and the seedling can get hold of the ground, start to tap the much fresher water under the mud...
Its tongue is ten feet thick and heavier than an elephant. Some arteries are big enough for a child to swim (69) . The half-ton heart has walls two feet thick and pumps eight tons of blood. (70) its size comes awesome strength. A blue whale swimming (71) 15 knots generates 1 000...
Generally speaking, bags that are intended to last longer are made of heavier materials, so they use more resources in production and therefore have greater environmental impacts. To equal the relatively low global warming impact of plastic bags, paper and cotton bags need to be used many times...