1 Introduction

Many products are not described by CAD models during product development and manufacturing. The design and the manufacturer are faced with physical samples, and sometimes even the reference drawings are not available, and the customer also requires op…

The importance and necessity of hot work in the modern industrial production process is self-evident. The construction, installation, use, maintenance, inspection, and scrapping of production equipment and equipment are almost insepar…

• Model NO.: barbed wire
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First, the adjustment method of light should be scientifically managed according to the different light intensity and illumination length of different vegetables. Xiguang vegetables include melons, solanaceous fruits, beans and root vegetables; low-light-resistant vegetables include leafy …

Natural mineral fertilizers mainly refer to mineral or rock resources that can be directly used for agriculture, without the need for complex processing, other than traditional NPK fertilizers. Nutrient content varies with specific minerals, such as glauconite containing potassium and vari…

The reporter once investigated a number of owners who had been renovated and being renovated, and found that most of them had little knowledge of the decoration of white and black letters. When they began to decorate and settle, they often found that the difference between the actual expen…

The economy seems to be at a crossroads. As the effectiveness of the macro policy became more pronounced, GDP growth fell to a single digit, investment growth fell to around 25%, the PMI index continued to fall, and the real estate market showed a downward trend... These signs indicate that …

The development of cabinet enterprises has been relatively mature so far. In China's cabinet industry, as long as they are slightly larger, many companies have begun to abandon professional management, and can't wait to start to involve those areas that feel very profitable, from t…

Radish is the main vegetable variety supplied by urban and rural residents in winter. The demand is large, and it is especially important to implement high-yield and high-quality cultivation techniques. The experience of planting radishes in the dry land of the northern Hebei region is summ…