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562-52-3A3306150-11-6420 箱、壳
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6150-11-7812 密封衬垫
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6150-11-8111 盖
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700-92-34000-YA CONTROL VALVE1、挖掘机在冬季起动为什么困难?不仅决定于本身的技术状况,还受外界气温的影响。冬季低温下起动更困难,主要是由如下原因所致:
⑴冬季气候寒冷,环境温度低,机油粘度增大,各运动机件的摩擦阻力增加,使起动转速降低,难以起动。
⑵蓄电池容量随温度下降而减少,使起动转速进一步降低。
⑶由于起动转速降低,压缩空气渗漏增多,气缸壁散热量增大,致使压缩终了时空气的温度和压力大为降低,使柴油发火的延迟期增长,严重时甚至不能燃烧。
⑷低温下的柴油粘度增大,使喷射速度降低,加上空气在压缩终了时的旋流速度、温度和压力都比较低,使喷入气缸的柴油雾化质量差,难以与空气迅速形成良好的可燃气体并及时发火燃烧,甚至不能着火,导致起动困难。
17A-71-21710
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195-79-22110价格说明
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HD465-7配件569-86-84190
68元
产品名:小松自卸卡车配件
HD785-7油缸阀门561-86-67711
500元
产品名:小松阀配件
小松平地机GD705发电机600-821-9311
1000元
产品名:01643-51232,01643-31232,14X-43-13734,195-78-21320
小松平地机GD555-3A液压泵708-1W-00620
2544元
产品名:235-61-13800,235-61-13710,235-61-11400,723-10-13700
小松平地机GD705A-4前轴衬套234-27-31920
66元
产品名:235-06-15121,235-06-13430,235-06-13370,235-06-13320
小松推土机D155AX-5工作灯总成17A-06-17931
99元
产品名:17A-06-42970,17A-06-42990,17A-06-43161,17A-06-43220
小松自卸车HD465-7电机总成421-62-32701
50元
产品名:421-62-32351,421-62-32322,421-62-32240,421-62-32192
小松自卸车HD465-7衬套566-50-71230
50元
产品名:566-50-41151,566-50-41241,566-50-62110,566-50-62160