[공지] 코토부키야 프라모델 콘테스트 (KPC 2018) 안내 - 고토부키야 본사 지원 공식 콘테스트
(7,2,2020) The discussion of NCA in Shwe Kyin township was prohibited by Tatmadaw.
JCB ARM LINE BORING
horizonlal boring mill
EXCAVATOR LIEBHERR 9350 || NEW BEKO
The Near 3 kpc Arm was discovered in the 1950s by astronomer van Woerden and collaborators through 21-centimeter radio measurements of HI. It was found to be expanding away from the center of the Milky Way at more than 50 km/s. This spiral arm contains about 10 million solar masses of gas, mostly hydrogen atoms and molecules.
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