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"Kv ·= constant" principle, a sense of freedom laminated springs and valve switching power systems Plug Valves constitute △ P / S =εL S-feeling film work area,ε-spring Hook coefficient, L-valve stroke From this position of valve travel decisions every size of △ P value, if the valve travel position of the Kv and inversely proportional to the G = Kv · a constant value.

&Kv·=常数&原理,自由弹簧和感压膜构成阀门开关动力系统△P/S=εL S—感膜工作面积,ε—弹簧的胡克系数,L—阀行程由此可知阀门的每一个行程位置决定△P值的大小,如果阀行程位的Kv与成反比,则G=Kv·是恒定值。

Constant'.'' and the tangent of its dielectric loss angle; a measure of the heating effect which occurs in dielectrics.

常数'。''和介质损耗角的正切的乘积,这是对出现在电介质中的热效应的量度。

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Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜,使中国顾客比任何国家的人消费得更多。

A heavy dark cloud presaging rain or a storm .

预兆雨或暴风雨的沉重的黑云。