若再把长期保温板改进为永久保温板，则可在增加工程费用不多的条件下实现混凝土坝的永久不裂。
On this basis if the temporary surface insulation plates are improved and used as permanent insulation material the ideality of concrete dam without cracking will be realized.
据罗伊说，夜间的保温效应可以给农场提供一些防霜措施，甚至也许会略微延长作物的生长期。
According to Roy, the nocturnal warming effect could offer farmland some measure of frost protection and may even slightly extend the growing season.
材料的选择考虑到了长期的维护和保温隔热性能，并且住宅的每个区域也都经过专家的考量。
The material choices took in consideration maintenance in a long term and thermic performance, calculated by an specialist for each area of the house.
在使用温度范围内，硅酸盐管可长期使用，不易老化、不变质无毒无味、保温性能长期不减。
In the use of temperature range, silicate tube can be used for a long time, not easy ageing, not metamorphic avirulent insipidity, heat preservation performance for a long time.
外墙外保温系统是建筑节能的长期发展趋势，EPS外保温砂浆是它的一个重要的分支。
Exterior thermal insulation composite system (ETICS) is a long-run trend of building energy saving, one important part of which is EPS exterior thermal insulation mortar (EETIM) .
长期使用可改善土壤结构，防止土壤板结，增强土壤保水、保肥、保温透气性。
Also improve soil texture, prevent compaction and enhance the ability of preservation moisture and fertility.
长期以来，顺发公司十分专注于不锈钢炊具、保温类产品的研制和探索。
For a long time, "Shunfa" specialized in manufacturing and developing different kinds of stainless steel kitchenware and vacuum cups.
这些效果太小，以致不能证实双层墙壁的保温箱，对死亡率或住院天数等长期影响有正面的效果。
All of these effects are small and do not support the proposition that double wall incubators have a beneficial effect on long-term outcomes including mortality or the duration of hospitalization.
长期以来，其系用保温箱来维持体温。
Incubators have been used for some time to maintain body temperature.
长期以来，其系用保温箱来维持体温。
Incubators have been used for some time to maintain body temperature.
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