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13. The term "WIG craft" refers to a multimodal craft whose main mode of operation is to use surface effects to fly at an altitude quite close to the water surface.A low temperature stop valve, Unlike Example 1, Comprises a valve body 1 and a valve cover 2, A valve stem 3 is arrange in that valve body 1, One end of the valve stem 3 is provided with a valve disc 4, The other end of the valve stem 3 is provided with an adjusting handwheel 5, A low portion of that disc 4 is provided with a guide sleeve 6, The guide sleeve 6 is fixed by means of a connecting piece and a spring pad 8, Between that disc 4 and the guide sleeve 6 is provide a valve seat 7, Between that valve stem 3 and the valve cov 2 there is provided a packing assembly 9, The O-ring 10 is further arranged at the upper part of the packing assembly 9, the upper part of the O-ring 10 is provided with a packing gland 11, the valve body 1 is provided with an arc-shaped end face 12, the arc-shaped end face 12 forms a line seal between the valve body 1 and the valve seat 7, the contact end of the valve disc 4 and the valve seat 7 is provided with a water grain surface 41, the packing assembly 9 comprises a flexible graphite packing layer, and the valve body 1 is provided with a liquid inlet cavity and a liquid outlet cavity.正在此事，营帐里传来了婴儿的哭声。Rosaceae plants of Rosaceae family. This is also a very important subject! Please remember it!丹泽尔·华盛顿商谈主演华纳打造警察题材惊悚影片[小细节](Little Things，暂译)，约翰·李·汉考克([弱点])操刀剧本并有望执导。丹泽尔有望饰演克恩郡治安官德克，他与洛杉矶县警长部门的侦探巴克斯特一起侦破一桩狡猾的连环杀手案。德克对“小细节”有着灵敏又准确的洞察，但他摒弃规则的意愿使巴克斯特陷入了困境。