7ɫɫɫɫɫ,8888yeӰ Ƶ,5setuwang
gӭM7ɫɫɫɫɫ,8888yeӰ Ƶ,5setuwang
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7ɫɫɫɫɫ,8888yeӰ Ƶ,5setuwang

ڣ2019-10-21 03:17:16

ڇClú늵ԺһЩ֮ǰú̿ӟ偠tÑij늼ӟܼӟҲ늼ӟ͠t^ۣ^вԼҪQɶٹʵ늟Ԫ

͸ҽB1ˮӟҪǧߵ늼ӟ?

ӟضȲضȲǰҪӟˮĶٶȼӟᵽĿ˜ض֮gIJֵ7ɫɫɫɫɫ,8888yeӰ Ƶ,5setuwangˮ͑ṩDˮߎˮ҂Qһˮ=1000KGһˮ=1000KGӟrgrgǰҪӟĆλˮ@ضȲröLrg

yú̿ӟ偠t늼ӟጧ͠tҪ

@]wFrg͜ضȲֻefˡһˮ10ȼӟᵽ60ȣһСr

ˮһ=1000KG

ضȲ=60-10=50

rg1Сr

_@֮ӋһˮӟҪx65ǧߵ늼ӟܡ

Ñڸ^ҪՈIČ͠tSҵČIˆTMв7ɫɫɫɫɫ,8888yeӰ Ƶ,5setuwang粻xöٹʵ늼ӟԪҲ^ۣˆTIļӟ|hxmʵԪڻصyú̿ӟ偠t늼ӟጧ͠t@}ϣ漰ȲYϣijɱҲ҂hԿ]һ_µČ͠tO䡣

ƪڣ#

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