There are three major processes in light oil tank truck unloading, namely vacuum pump unloading, submerged pump unloading, and slide pump unloading.
轻油罐车卸槽工艺主要有真空泵卸槽法、潜油泵卸槽法和滑片泵卸槽法。
The utility model provides a double-stage slide valve vacuum pump, which consists of an air pipe and two slide valve cylinders.
一种双级滑阀真空泵，由气路管道和二级滑阀缸组成。
The utility model provides a double-stage slide valve vacuum pump, which consists of an air pipe and two slide valve cylinders.
一种双级滑阀真空泵，由气路管道和二级滑阀缸组成。
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