This seal is intended to be interposed between the shell of a manhole, and a vertical tube of access to an external duct, the inside diameter of which may have two values. & lt; br / > according to the invention, it comprises a cylindrical skirt (9) surmounted by an external flange ...
A.the mechanical seal B.packed stuffing boxes C.either A or B D.neither A nor B 单项选择题 As for a hydraulic vane pump, which of the following is in contact with the vanes during working: () (1)the rotor (2)the pump shaft ...
aFüll- und Rampenzeit an der Filling and ramp time at that[translate] arubber seal 橡胶封印[translate] a翻译有限公司 正在翻译,请等待...[translate] aThe purpose of this thesis is to provide a new way to understand and translate English and Chinese idioms. 这份论文的目的将提供一个新的方式...
a封闭的大陆型地理环境使中国人思维局限在本土之内,善于总结前人的经验教训 The seal mainland geographical environment causes the Chinese thought limitation in the native place, is good at summarizing predecessor's experience lesson[translate] a態度 Manner ...
committee abroad to be the duly authorised agents of the Company for the purpose of affixing and using such official seal and they may impose such restrictions [...] equitynet.com.hk [...] 證書或其他文件即使沒有任何該等簽署或上述機械式複製簽署仍屬有效及應視為已 在董事會之授權下蓋...
an assessment mission to a developing countryfor the purposes of designingaprogramme of ongoing technical assistance and capacity-building. daccess-ods.un.org daccess-ods.un.org 在报告所述期间,毒品和犯罪问题办公室还进行了技术支 助工作,以解决网络犯罪问题,包括开发和试用被用于国家一级的综合网络犯 ...
Owner of a Special Purpose Seal shall mean head of the department or unit that owning the management responsibility for such Special Purpose Seal, examples as follows :5个回答 一个专用印章的主人是指该部门或单位拥有的管理责任等专用印章,举例如下头:...
Loctite Polyseamseal All-Purpose Sealant is a premium grade water-based caulk designed to have the strength of an adhesive and the sealing characteristics of a caulk. Since it is latex based, this adhesive caulk is easy to apply and tool. It has very low odor, so it is perfect for indoo...
A . seal the space between the piston and the linerB . reduce the amount of lube oil burned in the combustion chamberC . transmit heat from the piston to the cylinder linerD . damp out fluctuations of the piston side thrust相关知识点: 试题...
A. seal the space between the piston and the liner B. reduce the amount of lube oil burned the combustion chamber C. transmit heat from the piston to the cylinder liner D. damp out fluctuations of the piston side thrust 相关知识点: 试题...