国产精品久久无码一区二区三区网 ,色婷婷丁香A片区毛片区女人区,茄子视频懂你更多

nimuling — Tue, 30 Nov 2010 08:48:45 +0000

Ӌ(j��)�㷽��(du��)��12000/(1.732*380)=18A

wanjianhua — Wed, 10 Nov 2010 12:48:26 +0000

��Ǹ�늼ӟ��һ��늼ӟ��Ǽ��COS��һ��늄�(d��ng)�C(j��)COSС��һ��늄�(d��ng)�C(j��)��ͱȼӟ�ܴ��

��ס�Ŀ� — Wed, 10 Nov 2010 12:11:34 +0000

��㰡�ֵ�

yqing45 — Wed, 10 Nov 2010 11:34:31 +0000

ͬ��3�ǵģ��·��380VҲ��ô��(zh��n)��

sunnjh — Wed, 10 Nov 2010 02:16:21 +0000

��ӟ�Ӌ(j��)��r(sh��)��؞�1��(l��i)Ӌ(j��)��늙C(j��)Ӌ(j��)��r(sh��)��һ��С��1�� Ӌ(j��)�㷽��ͬ��

weilinyi — Wed, 10 Nov 2010 01:42:48 +0000

�ӟ�ܵ��Ӌ(j��)�� F(xi��n)��r�� ؓ(f��)�d��늼ӟ�� 3��380V 12KW��25A��32A�x��늚��Y(ji��)��y(c��)�Ì�(sh��)�Hÿ��15A��ҡ� ��(xi��ng)220V 3KW, ��12֧��36KW��3��B��70A��80-90A�x��늚��Y(ji��)��y(c��)�Ì�(sh��)�Hÿ��18A�� ʲô��(sh��)�H�� ..

brian — Wed, 10 Nov 2010 00:40:56 +0000

[quote]��õ�12��791891��2010-11-10 08:19�l(f��)�� : ��(j��)��ϸ�λ�Ľ��?zhu��n)��ҵ��£?3��ӷ� I=P/1.732/380 ��ӷ� I=P/220 [/quote] �ϸ��c(di��n)ץ��c(di��n): ��ӷ��I=P/1.732/V<----��380�@�N��늉� ��ӷ��I=P/V ��^��^��Դ��㷨 ..

791891 — Wed, 10 Nov 2010 00:19:32 +0000

��(j��)��ϸ�λ�Ľ��?zhu��n)��ҵ��£?3��ӷ� I=P/1.732/380 ��ӷ� I=P/220

brian — Wed, 10 Nov 2010 00:07:16 +0000

[quote]��õ�6��791891��2010-11-09 16:00�l(f��)�� : ��36KW��3��B�ӵ��O(sh��)��Ұ�80A�x��Y(ji��)��ϰ��f(shu��)��xС�ˣ�߀��Ğ�100A�� [/quote] �ֵܰ�!늟ῂ��ʲ�׃,��Փʲ�N늉��ӷ�ֻ��Ĵ�С�,36kw/220v/1.732=94.4,��ϰ��x��](m��i)�e(cu��),��ؓ(f��)�d��ֻ��80%�r(sh��)��(y��ng)ԓ�x��120a�� ..

�� — Tue, 09 Nov 2010 12:18:42 +0000

��ʡ�� ҽ��h��2��x�� c(di��n)�ð� ��·Ҳ��(hu��)��늾� ��^(gu��)��_(k��i)߀�ǵ��x��ޞ�� Ǻ�

791891 — Tue, 09 Nov 2010 10:32:10 +0000

7��f(shu��)�Ì�(du��)��ϰ��f(shu��)��ϰ�Ğ��(zh��n)��x�ĺ��m��Y(ji��)��f(shu��)��ˣ�

�� — Tue, 09 Nov 2010 08:20:35 +0000

��ӛס늼ӟ��ÿǧ�߳��1.5��](m��i)�e(cu��)��12kw*1.5��18A

qinshengyue — Tue, 09 Nov 2010 08:12:13 +0000

[quote]��õ�6��791891��2010-11-09 16:00�l(f��)�� : ��36KW��3��B�ӵ��O(sh��)��Ұ�80A�x��Y(ji��)��ϰ��f(shu��)��xС��߀��Ğ�100A�� [/quote] �ϰ��f(shu��)��ϰ�Ğ��(zh��n)��x�ĺ��m��f(shu��)��[s:26]

791891 — Tue, 09 Nov 2010 08:00:50 +0000

��36KW��3��B�ӵ��O(sh��)�䣬�Ұ�80A�x��Y(ji��)��ϰ��f(shu��)��xС��߀��Ğ�100A��

qinshengyue — Tue, 09 Nov 2010 08:00:28 +0000

[quote]��Ø��791891��2010-11-09 12:31�l(f��)�� ӟ�ܵ��Ӌ(j��)�� : �F(xi��n)��r�� ؓ(f��)�d��늼ӟ�� 3��380V 12KW��25A��32A�x��늚��Y(ji��)��y(c��)�Ì�(sh��)�Hÿ��15A�� (xi��ng)220V 3KW, ��12֧��36KW��3��B��70A��80-90A�x��늚�� ..

a271156864 — Tue, 09 Nov 2010 06:54:11 +0000

��Y�ӷ��

a271156864 — Tue, 09 Nov 2010 06:53:04 +0000

1KW�� 1��5��1��7 ��(j��ng)�(y��n)��Y(ji��) �^��(du��)�Ĳ��(hu��)�e(cu��)��~��ʽ�� ô��Ķ��֪�� ǘӳɱ�Ҫ�ߵĶ࣡

791891 — Tue, 09 Nov 2010 05:22:02 +0000

һ�ǵ��P(gu��n)�ڡ�3000/220=14A�ٳ��4=56A��һ��!��56A�ǽӳɆ��(xi��ng)36KW��

��(j��)�� — Tue, 09 Nov 2010 04:47:59 +0000

12KW��࿂��,��12KW��3=4KW,��ˌ�(sh��)�H��4000/220=18A. 3000/220=14A�ٳ��4=56A��һ��!