7 . since the reactor is soaked with epoxy and its coil is sealed by fiberglass cloth , the coil will be - come a whole after solidifying , the noise from reactor will less than 60db in its 30 years life 7 .由于电抗器采用浸渍环氧树脂的无纬玻璃丝带进行包封,线圈经固化处理后具有良好的整体性,电抗器在整个使用寿命30年期间噪音水平低于60db 。
The characteristics of common soils in dalian are studied , and enzyme x - 22 which has been used well in the developed country such as usa and canada and other stabilizers are mixed into soils , so that the mixture has the suitable properties to meet the requirement for the road base or road sub - base in the highway construction 本文克服了坚土酶不耐水的缺点,采用其他合适的掺和料,设计正确的配合比,对大连常见的一种土壤进行了固化处理,使之能够直接应用于高等级路面的基层和底基层的建设。