煤炭开采的科学技术论文

对新安全生产法的理解和认识

While businesspeople from home and abroad trade electronic products and machinery at the ongoing China Import and Export Fair in Guangzhou, they may not realize that Chinese folding screens made their way to Europe as early as in the 17th century.

While leaders of China and African nations were having a roundtable meeting on partnership on Tuesday, their wives were busy discussing another important issue-AIDS prevention-on the sidelines of the 2018 Beijing Summit of the Forum on China-Africa Cooperation.

While demanding local governments to report the progress of rectification, the NPCPA also said it would ask them to initiate a formal procedure to hold officials accountable if they fail to fulfill their duties.

福建钳工技能实训平台（单面双工位）

While chairing the Review on Antimicrobial Resistance, O'Neill analyzed the global problem of diseases becoming resistant to medicines because of their improper use. He suggested China "dramatically reduce the inappropriate use of antibiotics".

While hunkering down in their homes amid the COVID-19 pandemic, consumers worldwide are increasingly turning to cross-border online shopping for Chinese goods.

While the number of daily tests has increased from 4,200 to 7,900 over the past two weeks, the rate at which those tests are coming back positive is also increasing. Experts said such a trend suggests the virus is actually spreading, not just that more tests happen to be finding more cases.

绥化立式电力拖动(工厂电气控制)实验台

While the robots are still at the test stage, police in Shenzhen — a busy metropolis in Guangdong province — said they can help relieve some of the officers' work burden during the holiday.

While the Roomba?cruises the floors, you should be looking at the menu on Grubhub and ordering some food, because that online takeout?service has also added an Alexa skill to ease the communication process.

苏州网孔型电工技能实训考核装置

While establishing a complete and special protection system for permanent basic farmland, the country has designated more than 103 million hectares of permanent basic farmland.

While most 6-year-olds enjoy meals prepared by their parents, Liu Limei has already become a social media sensation at that age, thanks to videos showcasing her impressive skills in cutting food with a Chinese cleaver.