The result shows that the microbe pollution of shrimp meat and headless and putamina and in grading is very serious.

去头、去壳挑腺肠和分级工序中细菌的污染比。

Book letter putamina by quality requirements, the four sides then use bamboo scratch tight wrapping to prevent curling down and up empty.

书壳量要求做好后，四边再用竹刮刮紧包边，防止包边不紧及起空。