The finer fraction (2 mm) of the samples was finely powdered in an agate mortar.
微细粒级的样品(2毫米)在玛瑙研钵中呈细粉末状。
Suitable fiber length and volume fraction are pacing factors of improving absorbing property of mortar.
适当的纤维长度和体积掺量是提高砂浆吸波性能的决定性因素；
Suitable fiber length and volume fraction are pacing factors of improving absorbing property of mortar.
适当的纤维长度和体积掺量是提高砂浆吸波性能的决定性因素；
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