五月丁香综合啪啪成人小说,国产精品久久久久9999高清,公车上拨开丁字裤进入电影,亚洲一区二区女搞男

Products：
SG-1500 series stainless steel electric hot plate is to meet the needs of various laboratories, carefully designed and sophisticated process technology, is a general-purpose lab heating plate.SG-1500 series stainless steel electric hot plate with acid, alkali, high temperature, the surface clean, even heating, etc.SG-1500 series is widely used in stainless steel electric hot plate baked samples, drying, and for other temperature test, biological, genetic, medical, environmental, biochemical laboratory, analysis room, education, scientific research tool.
Features：
1. big heating area, heating up fast, rugged
2, prolonged heating. Anti-electromagnetic interference
3. stainless steel. Resistance to corrosion. Easy to clean
4,.apparatus, durable, stable operation
5.humanized design. Aesthetic appearance
6.heating up fast, long life, beautiful shape, adapt to various types of laboratories.
7. heater using a special molding process produced, high temperature, non-warping deformation.
Maintenance
1, should be properly grounded electrical outlet for safety.
2.Please wipe the face before and after use clean on it does not allow water droplets, dirt, fouling And other foreign residues
3. place the sample loading tube or other containers should be placed in the working surface before heating to achieve the gradual warming, to prevent a sudden increase in temperature leading to the container burst.
4. power on, close the power switch, indicator light, electric board in working condition.
5. electric board in working condition, shall be hand care. Do not touch the table surface to prevent burns.
6. the work is completed, cut off the power supply.