单词p-h-
网络: 酸碱度；土壤酸碱度；磁滞损耗
A more severe form of B. P. H. is not always benign.
而另外几种形式的B.P.H.就不见得是良性的了。
riding on its air cushion over a single rail, which it never touches, at speeds, up to 300 m. p. h. --the possibilities appear unlimited.
靠气垫在单轨上行驶而不接触轨道，时速可达每小时300英里。气垫船的前途是不可限量的。
Though they may look slow and clumsy , they are extraordinarily fast, able to reach speeds up to 25 m. p. h.
尽管它们可能看起来会显得缓慢，笨拙，但实际上它们非常敏捷，速度可以达到每小时25英里。
Hurrying driver of 18-wheel truck deliberately rear-ends car whose driver was trying to stay within 55 m. p. h, limit.
一位开十八轮卡车的司机，因急着赶路，故意去撞前面一辆力图遵守55英里时速规定的汽车的尾部。
You will be allowed to download, use and share P&H with your friends, family, school or business for absolutely nothing.
你将被允许下载、使用和分享P&H给您的朋友，家人，学校或商业伙伴而不必担心版权问题。
Likewise, when the 40 m. p. h. speed limit was imposed on a number of roads in London in the late fifties.
同样地，当了40米。页每小时车速限制，是对若干道路，在伦敦，在五十年代后期。
At speeds of less than 30 k. p. h. , or roughly 19 m. p. h. , sensors detect the risk of a collision and automatically apply braking.
车速少于30公里，或大致19英里，传感器可检测到碰撞的危险并自动提供制动。
Shortly after the new limit was posted, an MP sergeant issued a speeding citation to a jeep driver for going five m. p. h.
新的车速限制宣布后不久，一名骑警中士因一名吉普车司机开车时速达五英里而给他开了一张超速传票。
Dr. P. H. Chan, Orthopaedics Specialist from the Prince of Wales Hospital explained the bone mineral test result to the participants.
威尔斯亲王医院骨科专科医生陈伯显医生为参加者解释骨质密度测试结果。
Provide hands on engineering support to mechanical group and sales team for machine rebuilds and P&H scope of business.
为机械和销售队伍提供大修和P&H设备维修的技术支持；