无尘的 dustfree
dustless
- 选择一个稳固、通风良好且无尘的区域放置产品。
Select a sturdy, well- ventilated , dust-free area to position the product. - 眼镜: 用一块干净、无尘的布蘸一点伏特加,擦洗镜片的两面。
For eyeglasses: Dip a clean, lint-free cloth in vodka and rub each lens (back and front) until clear. - 要戴上干净无尘的手套或手指套来防止皮肤油脂污染倍增器的核心或是安装表面。
Clean, powder-free gloves or finger cots should be worn to prevent the transfer of skin oils to critical or mounting surfaces of the multiplier.
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