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watch glass 表玻璃。

watch guard

Since the company established for more than ten years , had made the respect and bent on making progress , followed the tendency of the day closely in glass processing , craft , have introduced such a series of ambetti as the looks frame , mirror of the bathroom , craft glass , wooden bezel mirror , family property glass , clock and watch glass , etc . in succession , suitable for the customer to produce in batches 公司創建十多年以來,在玻璃加工、工藝制作方面銳意進取、緊跟時代潮流,相繼推出了相框、浴室鏡、工藝玻璃、木框鏡、家私玻璃、鐘表玻璃等一系列裝飾玻璃,適合客戶批量生產。

Place a few drops of your assigned standard solution on a clean watch glass , and position the watch glass with the liquid as close as possible to the air inlets at the base of the burner 蘸取幾滴您所分配到的標準溶液,將其放在一個干凈的觀察玻璃上,然后將觀察玻璃放在盡可能靠近火爐底部的空氣入口處。

Heat the metal coil in the burner flame , then plunge it into the liquid on the watch glass 在火爐的火焰中加熱金屬圈,然后將其投入觀察玻璃上的液體中。

Ust one ' s watch glasses 對表扶眼鏡