The truncated mooring line is designed to replace full-depth mooring line and use in truncated water depth model test.

水深截断系泊缆替代全水深系泊缆，用于截断水深模型试验。

youdao

Based on in depth studies of structure of membranes, the principle of water osmosis in single direction was put forward, and water osmotic plastic film was designed and developed.

经过对地膜物料结构的深入研究，提出了单向渗水原理，设计并发明了渗水地膜。

youdao

The floatable bags operate in extreme temperatures of -22F to 140F and protect against water submersion for 30 minutes at a depth of 1 meter, also designed with room to accommodate a few small items such as credit cards, bandages, etc.

ENGADGET: SpareOnePlus adds location tracking, audio alerts, keeps the 15-year life on a single AA battery eyes-on