psh meaning in Chinese

肺硬化性血管瘤
高于
卵泡生成素
请求急迫操作

The psh model is high precise and its media - wetted materials are composed of stainless steel 316 , having excellent corrosion - resistant properties
Psh高精确和其媒体湿材料组成的不锈钢316 ，具有优良的耐腐蚀特性。
Li ming : psh , how come so many people here everday lining for the junk they call food ? i can ' t see the other end of the line , it ' s frustrating
李明:怎么会每天都有这么多食客排队买垃圾般的饭菜呢?长队一眼望不到头，真让人灰心。