There is little wastage from a lean cut of meat.
瘦肉基本上不会浪费。
Gas companies have to cut down on wastage.
煤气公司不得不降低损耗。
Because the electricity wastage is heavy, once the controlling system take places malfunctions as electricity cut, the state of the relay can't last, then the switch state will be self-changed.
电耗大，一旦控制系统发生断电等故障，继电器的状态无法维持，电器的开关状态就会自动改变。
Because the electricity wastage is heavy, once the controlling system take places malfunctions as electricity cut, the state of the relay can't last, then the switch state will be self-changed.
电耗大，一旦控制系统发生断电等故障，继电器的状态无法维持，电器的开关状态就会自动改变。
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