Is the double bottom block built on pin jigs?
双层底分段是在胎架上造的吗？
Longitudinally-framed double bottom structure.
纵骨架式双底结构。
Double bottom circle book "Qing Emperor Kangxi years."
底双圈内书“大清康熙年制”。
This is a good sign because the market has now made a double bottom "w" pattern.
这是一个好的兆头，因为市场已经作出了双层底“W”的模式。
The hopper bottom sword is double close set, edge is pressurize rigorous.
出料口底刀为双重闭合装置，刀口密封严密。
The hopper bottom sword is double close set, edge is pressurize rigorous.
出料口底刀为双重闭合装置，刀口密封严密。
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