He folds the thick string of paste into two, pulling again.
他折叠浆糊厚实的串入二，再拉扯。
In order to solve this problem, the pipe string for pumping thick-oil is designed.
为解决偏远井及偏远区块的稠油井井筒举升的问题，设计此稠油管柱。
In order to solve this problem, the pipe string for pumping thick-oil is designed.
为解决偏远井及偏远区块的稠油井井筒举升的问题，设计此稠油管柱。
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