更多dustproof例句

1. The waterproof and dustproof UE Wonderboom 2 may be a good option for kids.
2. After bridling, drop a little oil paint into the heel of the brush and set it away in a dustproof compartment for a few days.
3. The bearings and cams of such a shaft are generally enclosed in oil and dustproof casing screwed to the top of the cylinders.