Answers to Picture Guessing Devices 20171023 are now available
Thread Content
This post was last edited by wawa*n*ntaozi on 2017-10-25 at 10:49. Guess the device from the picture – these days there are hardly any devices left to guess. Bring the parts later! What is this device? Items used in the laboratory. Hint: The two discs in the upper left corner are respectively the external circulation water switch and the vacuum gauge! ! ! ! The answer will be announced in two days. 3 wealth rewards for active participants, 8 wealth rewards for those who answer correctly! No wealth reward will be given for replies sent after two days. Chemical Equipment and Machinery
Shiding brand vertical circulating water multi-purpose vacuum pump