亚克力表面为聚丙酸甲脂，背面采用树脂石膏加玻璃纤维，以增强其硬度。
The surface is yakeli get together fat of third acerbity armour the reverse side uses colophony gesso to add fibre glass in order to enhance its hardness.
亚克力表面为聚丙酸甲脂，背面采用树脂石膏加玻璃纤维，以增强其硬度。
The surface is Yakeli get together fat of third acerbity armour, the reverse side uses colophony gesso to add fibre glass, in order to enhance its hardness.
目的：测定涂布超硬石膏表面硬化剂有机硅树脂前后石膏模型的表面硬度和抗磨损性能，为该石膏表面硬化剂的临床应用提供依据。
The superficial hardening of non-quenched steels had been carried out on a surface grinder, the influences of grinding mode and cooling conditions on the surface hardened layer were studied.
目的：测定涂布超硬石膏表面硬化剂有机硅树脂前后石膏模型的表面硬度和抗磨损性能，为该石膏表面硬化剂的临床应用提供依据。
The superficial hardening of non-quenched steels had been carried out on a surface grinder, the influences of grinding mode and cooling conditions on the surface hardened layer were studied.
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