jar for drill stem test
钻杆测试震击器
The development of jar test
烧杯搅拌试验的发展
Determination of Jar Test Conditions in a Waterworks
水厂混凝杯罐试验合理工况的确定
A function test must be made before the jar is run in the hole.
下震击器时，要做性能试验。
Originally has burnt after the jar has traded the new cushion test record, please look at.
原来烧过的罐子换了新垫子后的测试纪录, 请看一下。
This paper proposed the flocculation of the flocculants can be evaluated by a jar settling test.
提出用烧杯沉降试验法评定絮凝剂得絮凝效果。
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