Generally, the crab cover is about 45 mm in diameter and weighs about100g. Every time the diameter of the crab cover increases by 5-7 mm, the weight increases by about 50 g, and so on, the number of four or two hairy crabs is about 80-90 mm.

How long does it take to steam crabs depends on the size of crabs, 4.5 two hairy crabs, and steam them for ten minutes after the water is boiled.

When cooking crabs, be sure to put cold water in the pot, so that the crab legs are not easy to fall off. Because crabs grow in mud, they often carry some toxins in their bodies. In order to prevent these pathogenic microorganisms from invading the human body, they must be steamed and cooked thoroughly when eating crabs. According to the size of crabs, it is appropriate to cook for 8- 10 minutes after the water is boiled, and the meat is cooked but not too rotten.

Extended data:

The quotation of the physical store of hairy crabs shows that the five pairs of crab coupons contain 3.5 two male crabs and 2.5 two female crabs, and the promotional price is 428 yuan. On the other hand, the price of hairy crabs with the same specifications is 368 yuan, which is about cheaper than that of 60 yuan. Another crab coupon includes 424 male crabs and 324 female crabs, and the promotional price is 498 yuan. However, in JD.COM Mall, the price of the hairy crab gift certificate of the same specification is only 238 yuan.

Crabs are rich in protein, trace elements and other nutrients, which have a good nourishing effect on the body. However, crabs must not be eaten with persimmons, strong tea, pears and peanuts, otherwise it may cause food poisoning.

References:

People's Network-Hairy crabs squeeze water at inflated prices

References:

People's Daily Online-Although hairy crabs are delicious, there are many taboos.