The authors believe that water accumulated on the surface of adhesion bridge neck from the sand-resin surface and atmosphere is a very factor to hot cracking tendency of resin coated sand.
环境湿度对覆膜砂铸型(芯)性能的影响是通过粘接桥界面上水分的积聚而起作用的。
Antiozonant is an ingredient that helps to prevent the exterior rubber surface from cracking, checking, oxidizing, and deteriorating.
它是一种可以防止外部的橡胶表面破裂、氧化甚至更加恶化的一种材料。
It also penetrates tire surface to prevent the tire rubber from drying, fading, cracking and hardening. This is a new easy way to clean, shine and protect the car tires.
独有的抗紫外线剂能防止轮胎老化、龟裂和褪色,可适用于轮胎、防撞杆、胶边等,使用后可恢复轮胎乌黑的光泽,还原如新。
The capillary pressure which is the effect of the water loss from the concrete surface, is the origin of the plastic shrinkage in concrete cracking.
由于这种裂缝是由于混凝土塑性收缩引起,所以称之为塑性收缩裂缝。
The capillary pressure which is the effect of the water loss from the concrete surface, is the origin of the plastic shrinkage in concrete cracking.
由于这种裂缝是由于混凝土塑性收缩引起,所以称之为塑性收缩裂缝。
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