The following test takes it through wide temperature variations in a damp environment, to ensure the total absence of water condensation inside the watch glass.
第二项测试是将手表在潮湿环境下经历温度骤变，以确保手表玻璃内绝对没有冷凝水。
Our company specializes in producing and processing high-quality sapphire watch glass, mobile telephone lens, optics lens, infrared material crystal chip, is committed to quality and service!
本公司专业生产加工高品质蓝宝石表镜，手机镜片，光学镜片，红外材料晶体片，致力于品质和服务！
The experiments on volatilization of diesel oil on watch-glass and in soil were carried out.
对柴油进行了在玻璃表面皿上和在土壤中的挥发实验研究。
The experiments on volatilization of diesel oil on watch-glass and in soil were carried out.
对柴油进行了在玻璃表面皿上和在土壤中的挥发实验研究。
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