恒温器可用来调节室内温度.Thermostats can be used to regulate the temperature of a room.有种恒温器就是一根金属带,它受热时弯曲.One kind of thermostat is a strip of metal while bends when it gets hot.铸焊模具应达到所要求的温度而通常用恒温器控制.Also the machine mold is up to...
The white sails billow with the breezes they catch.一张张白帆随着微风舞动。They skip rope and play catch, waiting for the bell.他们又是跳绳，又是玩接球，等着上课铃声响起。Most late developers will catch up with their friends.大多数身材发育迟缓者都会赶上他们的朋友。...
A change in enthalpy also takes place when a change of phase occurs.相发生变化时,焓也发生变化.Curing shrinkage, temperature and curing enthalpy of benzoxazine based on diphenyl oxide resin were investigated.研究了苯并口恶嗪二苯醚树脂固化时的体积收缩率 、 ...