youdao

The invention relates to ultraviolet screening agent, ultraviolet resistant fabric finishing liquid, and the finished fabric.

本发明涉及一种紫外线屏蔽剂、抗紫外线织物整理液及其所整理的织物。

youdao

The utility model relates to a leakage-resistant sealing valve used for controlling, discharging and stopping liquid.

一种防泄漏密封阀，用于控制、开关流体。

youdao

Other companies trying to solve tech's liquid-incompatibility problem repeat the same mantra: Water-resistant features are there to help in case of accidents, not to make a phone safe for scuba diving.

CNN: Waterproof phones and tablets make a splash