English translation for "背噪声级"

background-noise level

Similar Words：

"背载在背上的" English translation, "背在" English translation, "背在背上" English translation, "背在肩上的手提包" English translation, "背在接点" English translation, "背债" English translation, "背展背扩肌" English translation, "背展背阔肌（男子规定动作之五）" English translation, "背展双肱二头肌" English translation, "背展双肱二头肌(男子规定动作之四)" English translation