本发明的机器人连接轴具有防止外部液体流入其内部的优点。
The robot connecting shaft has the advantage of preventing liquid at the outer part from flowing into the robot connecting shaft.
4月下旬，切萨皮克能源公司在宾州的一个天然气井外溢，致使有毒的液体流入附近小河，该公司的破裂法采气被叫停。
In late April a big company, Chesapeake Energy, suspended its fracking in Pennsylvania after one of its natural-gas Wells blew out and spilled toxic drilling fluid into a nearby creek.
好友表示，注射手术中，被注液体“流入了她的肺部和脑部”。
A close friend said the procedure involved injections and the liquid "went to her lungs and brain."
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