软质木板用软木。未使用的软木。胶结软木。散木碎屑和废品。取样。
Corkwood in planks. virgin cork. ramassage. gleanings. corkwood refuse and corkwaste. sampling.
墙筋和墙 板之间加上软质 纤维 板作垫层可减少声桥的影响，对钢墙筋隔墙可有3—6分贝之提高，对木墙筋隔墙则可有6—9分贝。
L. of 3-6 dB for steel stud partition is achieved, 6-9 dB for wood stud partition. (4) Acoustical fiber bat in cavity would improve the T.
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