高硼硅锅炉水位计液位计带槽平板玻璃板耐高温高压耐酸碱耐腐蚀
液位计玻璃又叫水位表玻璃或水位计玻璃，液位计玻璃是安装于各种塔、罐、槽、 箱等容器用于直接指示设备内介质液位的玻璃，有单槽型、多槽型和平光型液位 计玻璃板。
Plano convex lenses are used in many applications including telescopes, collimators, magnifiers, opt
高硼硅液位计玻璃
IR filter that cut off as much as possible of the wavelength light shorter than a specific wavelengt
Filters that cut off as much as possible of the wavelength light shorter than a specific wavelength,
These filters possess level spectral transmittance characteristics in the visible region, and are nu
Plano-Convex Cylindrical Lenses have one flat (plano) surface and one cylindrical surface curved out
Right Angle Prism may be used as a 90 degree reflector or 180 degree retroreflector. The prism defle
A plano-concave lens is compose of a plane and concave surface, has a negative focal length and nega
A double-convex lens is compose of two convex surfaces, has a positive focal length. Normally Bi-Con
A double-concave lens is compose of two concave surface, has a negative focal length and are best us
An achromatic doublet is the combination of positive and negative elements with different refractive
Meniscus lenses can be used with another lens to produce longer or shorter focal lengths. These lens
Ball lens can be used in high temperature, pressure and toxic environment especially in fine chemica