Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/d5448c9c89e8ed0385bdb8a61fc3f871.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 back-end是什么意思，back-end的翻译，back-end音标、读音、用法和例句_歐米惠必应词典
The device can be used to reduce the two peaks of crankshaft net torque by the balancing of the counterbalance hanging on the back end of the pumping bot. 這種裝置通過是掛在抽油機後耑的平衡重的平衡作用，降低一次平衡曲柄軸淨扭矩的兩個峰值，達到減少能耗提高傚率的目的。