Mission, operation, can let its hold on a circle round and round, one day turn ten?
使命，运转乾坤圈，能让它周而复始，一天十转吗？
The round circle and pinion that have gone through heat treatment can meet operation requirement.
特殊热处理的圆环和小齿轮能满足管子各种操作。
He has stood the operation well, and good nursing will bring him round.
他手术经过良好，好好护理就能恢复过来。
He has stood the operation well, and good nursing will bring him round.
他手术经过良好，好好护理就能恢复过来。
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