In the thirties, it changes into a fire-proof iron door, cold and solid. Now it could not be easily burned through by the fire of passion, but could be infiltrated by the water of tenderness.
三十几岁的心扉是防火的铁门，冷硬而结实，虽然热情的火不易烧开，柔情的水却能渗透。
The result showed that austenitic cast iron with D-type graphite had excellent oxidizing resistance. The study provided experiment proof for application for glass moulds.
结果表明，D型石墨奥氏体基体铸铁具有较好的抗氧化性能，可为该合金用于玻璃模具提供生产依据。
The proof strength can be used to evaluate the tension-compression fatigue strength of gray cast iron, and also used as the stress level of the tension-compression fatigue test.
利用引伸计拉力试验中的规定总延伸强度可以评价灰铸铁的拉压疲劳极限，也可以利用该数值作为预计的疲劳极限，用于拉压疲劳试验应力水平的选取。
Dust Proof Equipment can prevent iron chips and dust from entering the block and damaging the groove surface.
防尘设备可以防止进入块和破坏凹槽表面铁屑和灰尘。
Primary and secondary windings and iron core are insulated by epoxy resin. It has a good ability of insulation and moisture proof.
二次绕组和铁芯均浇注在环氧树脂内，绝缘性能优良，耐潮湿。
The primary and secondary windings and iron core are insulated by epoxy resin. It has a good ability of insulation and moisture proof.
二次绕组及铁芯均浇注在聚脂树脂内，绝缘性能优良，耐潮湿。
The rot-proof container can have an iron type, a bottle contained can type, a lunch box type which can be reused after being used, or inner and outer plastic bag packing type.
防腐盛具可为铁制或瓶装罐头式，也可为食用后能继用的饭盒餐具式，还可为内外层精制塑料袋包装式。
The rot-proof container can have an iron type, a bottle contained can type, a lunch box type which can be reused after being used, or inner and outer plastic bag packing type.
防腐盛具可为铁制或瓶装罐头式，也可为食用后能继用的饭盒餐具式，还可为内外层精制塑料袋包装式。
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