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Vim li cas cov chav dej txawv teb chaws U-shaped?

2021-11-11

Puas yog lub tsev tso quav O-puab?

Tom qab sab laj ib co ntaub ntawv, nws tau pom tias U-zoo li lub rooj zaum tso quav tso rau hauv chav dej txawv teb chaws. Lub hom phiaj tseem ceeb yog los tiv thaiv tub sab nyiag. Tseeb, nyob rau hauv ib co xov xwm, ceeb toom ntawm tub sab nyiag ntawmrooj zaum tso quavnyob rau hauv txawv teb chaws pej xeem chav dej kuj yuav pom. Nyob rau hauv cov nqe lus ntawm kev tsim khoom, U-puab lub rooj zaum cov ntaub ntawv yog qis dua O-puabrooj zaum tso quav, thiab tus nqi pheej yig dua.

Rau cov neeg nyob sab Europe thiab Asmeskas lub teb chaws, lub cev hnyav dua li cov neeg hauv peb lub tebchaws. Piv nrog O-shaped tso quav, U-zoo li tus qauv nqa hnyav dua. Raws li txoj cai, lub neej ua haujlwm yuav ntev dua.

Qhov tseeb, lub rooj zaum tso quav yog tsim los rau cov poj niam yooj yim. Rau cov poj niam, lawv tuaj yeem zam kev sib cuag nrog daim tawv nqaij thaum lub cushion defecates. Nws kuj yog qhov zoo kom tsis txhob muaj cov kab mob zoo li no, thiab nws tseem tuaj yeem tiv thaiv cov zis los ntawm kev sib tsoo ntawm lubrooj zaumthaum tso zis. Khaws lub rooj zaum hauv chav dej kom huv thiab huv. Nyob rau hauv txoj kev no, lub rooj zaum U-puab yog zam kom cov neeg sib txawv tsis txhob kov tib qhov chaw thaum siv, thiab kev huv huv yog ua kom ntseeg tau. Nws tuaj yeem pom tias cov laj thawj no tseem xav tau kev saib xyuas ntxiv.

Kuv ntseeg tias kuv tau qhia ntau heev. Vim li cas thiaj txawv teb chawsrooj zaum tso quavU-shaped, thaum peb lub rooj zaum hauv tsev yog O-puab? Nws muaj feem xyuam rau cov laj thawj no. Kuv vam tias koj yuav xyuam xim rau nws. Ntxiv mus, thaum siv chav dej, muaj qee qhov kev ceev faj uas txhua tus tsis tuaj yeem tsis quav ntsej, thiab peb yuav tsum tau saib xyuas tshwj xeeb. Siv chav dej kom raug kom tau txais kev noj qab haus huv, tsis txhob maj maj.

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