Positioning plate is usually used in fixing the place of anode and cathode plate in electrobath.定位板主要是用来固定阳、阴极板在电解槽中的位置.Double shafts type unwinder with automatic positioning control, automatic tension control, automatic...
The jury heard 200 pages of depositions.陪审团听取了长达200页的书面证词。The safety problems are more severe for low - pressure depositions because the processes often use concentrated gases.对于低压淀积来说安全性问题更为突出,因为这种工艺通常使用高浓度的气体.The chief...