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6150-11-4250 CONNECTOR
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6150-11-5840 BAND
6150-11-5850 夾具
6150-11-5851 CLAMP
6150-11-5851AK CLAMP
6150-11-5851CL CLAMP
6150-11-5851KA CLAMP
6150-11-5851KL CLAMP
6150-11-5851KN CLAMP
6150-11-5851KO CLAMP
6150-11-5851KP CLAMP
6150-11-5851KR CLAMP
6150-11-5910 消聲器

125-78-22190
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701-37-26000-YA CONTROL VALVE
700-92-34000-YA CONTROL VALVE1、挖掘機(jī)在冬季起動為什么困難？不僅決定于本身的技術(shù)狀況，還受外界氣溫的影響。冬季低溫下起動更困難，主要是由如下原因所致：
⑴冬季氣候寒冷，環(huán)境溫度低，機(jī)油粘度增大，各運動機(jī)件的摩擦阻力增加，使起動轉(zhuǎn)速降低，難以起動。
⑵蓄電池容量隨溫度下降而減少，使起動轉(zhuǎn)速進(jìn)一步降低。
⑶由于起動轉(zhuǎn)速降低，壓縮空氣滲漏增多，氣缸壁散熱量增大，致使壓縮終了時空氣的溫度和壓力大為降低，使柴油發(fā)火的延遲期增長，嚴(yán)重時甚至不能燃燒。

⑷低溫下的柴油粘度增大，使噴射速度降低，加上空氣在壓縮終了時的旋流速度、溫度和壓力都比較低，使噴入氣缸的柴油霧化質(zhì)量差，難以與空氣迅速形成良好的可燃?xì)怏w并及時發(fā)火燃燒，甚至不能著火，導(dǎo)致起動困難。