Connect firmly into the center of the Earth while seated or standing with both feet flat on the ground.
或坐或站，让双脚平放在地上，坚固地联系到地球中心。
Jan crack pipes to check whether or not to connect it firmly.
检查扬水管有无裂纹，连接是否牢固。
The utility model has the simple and reasonable structural design, and can firmly connect the hose with a joint conveniently and rapidly when in use.
本实用新型结构设计简单合理，使用可简便快捷地将软管与接头牢固连接。
The utility model has the simple and reasonable structural design, and can firmly connect the hose with a joint conveniently and rapidly when in use.
本实用新型结构设计简单合理，使用可简便快捷地将软管与接头牢固连接。
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