聚硅烷橡胶因性能随温度变化小,故在高温和低温的场合都能用.Silicone rubbers are used for both high - and low - temperature appilcations, since their properties change little with temperature.置于清洁 、 干燥及低温的环境中.Keep in a clean, dry and low temperature s...
Homesteads sprawled here and there on the dunes, still farming the sand, which yielded very little.坨包区星星点点散居着为数不多的自然屯落, 在风沙的吞噬中仍然以翻沙坨广种薄收为生计.I yielded to an impulse...我没有忍住冲动。The terrorists have yielded two of their host...