The key to the decoration of the bathroom is the selection of sanitary ware. As an important main material in the bathroom, the toilet has always been valued by people. However, it is not easy to choose a…

The first emphasis on the decoration of the kitchenette is the planning and utilization of space. The second is to save unnecessary expenses from a wide range of budget items, spend the money on the knife, and finally the key points and precautions for construction, so that the kitchen is …

The bath room is a more and more popular design in daily life. A good shower door can always keep the bathroom dry. Installing a shower door also saves bathroom space, facilitates planning of bathroom space and storage of toilet articles, and increases space flexibility. The most important thin…

In recent years, herbicides have been used more and more in vegetable fields. Due to the variety of vegetables and the complicated cultivation methods, the harvesting methods and times are very different from those of food crops. The applicable types, applicable dosages, medication pe…

According to the National Bureau of Statistics of Portugal, Portugal's decorative stone exports in the first quarter of 2012 were 87 million euros, a year-on-year increase of 28%, the highest growth rate in five years. In the first quarter, France and China became the top two export mark…

From December 12 to 14, 2011, the Central Economic Work Conference was held in Beijing. In the macro-control discussion on the property market policy and the housing security project, the meeting proposed to do a good job in the investment, financing, construction, operation and management o…

One of the most practical problems faced by young people about to step into the happy marriage hall is how to choose the furniture of a new house and create a comfortable nest for themselves. This is a question that needs careful consideration and thorough consideration. So how does the ne…

Although the requirements for the performance of medium-thick steel plates in recent years are largely dependent on the differences in application areas, the performance requirements are getting higher and higher. Specifically, performance requirements involve many aspects, including high …

Use of fire fighting equipment

1, fire hydrant box

In case of fire, according to the opening method of the door, press the spring lock on the door, the pin will automatically withdraw. Aft…

The General Administration of Customs recently released the import and export situation of China's foreign trade in the first quarter of this year. According to customs statistics, from January to March, China’s total import and export value was 617.85 billion US dollars, an incre…

2. The distance ahead is:

As shown in Fig. 2, A and B are control points with known coordinates, and P is the point to be sought. The distances Sa and Sb have been measured by the total station at points A and B, respectively.

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