Chinese submarine seismograph first dive into Antarctic waters

According to the report of the 28th Antarctic scientific expedition of the Great Ocean Team, the 28th Antarctic expedition team of China successfully deployed one in the Prydz Bay waters of the Antarctic at 17:24 on the 17th (20:24 pm on the 17th, Beijing time

The process of a dyno test on a Liebherr engine

The process of a dyno test on a Liebherr engine

The process of a dyno test on a Liebherr engine

The process of a dyno test on a Liebherr engine

The process of a dyno test on a Liebherr engine

The process of a dyno test on a Liebherr engine

LED companies go to the Korean market for uncertainty


Recently, there is news on the Internet that LED lamps made in China have quickly become hot products in major shopping malls and supermarkets in Korea, which have caused concern among Korean small and medium-sized enterprises.
It is understood that many Chinese LED lamps in the Korea