jam-on packer 卡压式封隔器
Subsequent application of tension or compression, depending on packer design, will set the packer elements.
随后施加拉张力或压缩力(取决于封隔器的设计)使封隔器密封元件坐封。
A label was stitched near the neck on a machine and a packer put the pullover in a carton for dispatch to the shop where it was to be sold.
一个商标被缝在靠近领口的地方。包装人员把毛衫防进纸板箱里,等待被派遣到出售的商店中。
Foreign back-packer : You can do it. But do work hard on your English to make it easier.
外国背包客 :你可以做的,不过你要先学好英语,这样会容易一些。
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