screwing out 中文意思是什麼
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If necessary, the stem and stem seal may be removed from the bonnet by removing the retainer ring and handle and screwing the stem out the under - side of the bonnet
如果必要的話，閥桿和閥桿密封可能要從閥帽上拆卸下來，要在閥帽的下方先拆卸擋圈和手柄，以及閥座上的螺絲。 -
They all pinched me at once, and in a dreadfully expert way: screwing up such little pieces of my arms that i could hardly forbear crying out.
他們一起來捏我，他們捏得很高明，把我胳膊上的肉一小片一小片地擰著，擰得我幾乎叫出聲來。
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