盘车轻快自如无卡涩； 填料压盖不偏斜，渗漏符合要求，入口阀打开自压灌泵、排空。
The packing gland not skewed, leakage accords with a requirement, inlet valve open since pressure grouting pump, emptying.
盘车轻快自如无卡涩； 填料压盖不偏斜，渗漏符合要求，入口阀打开自压灌泵、排空。
The packing gland not skewed, leakage accords with a requirement, inlet valve open since pressure grouting pump, emptying.
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