密闭装置

Automotive snorkels Mei-called cantilever handling devices, referred to the end of car plate; Tipper roof closed system known as dump trucks cap, dump trucks automatically open the cap, is all over urban management and sanitation sector in order to improve the region The urban environment, and regulate the transport and Zhatu Daofang, in particular to ask the soil transport vehicles to install the closed roof; regulating cargo storage warehouse known as the Taiwan-conditioning, hydraulic boarding palanquin, the goal is to regulate the storage bed The high level reached with the different types of cargo compartment of a smooth convergence to facilitate loading and unloading; fixed-take-off and landing platform known as shear platform, is a goods from low to high or the removal from height moving to lower the hydraulic Auxiliary handling machinery.

汽车液压升降尾板又叫悬臂式装卸装置，简称汽车尾板；自卸车顶盖密闭系统又叫泥头车顶盖、泥头车自动开启盖，是各地城管和环卫部门为了改善本地区的城市环境，规范渣土的运输与倒放，特别地要求泥土运输车辆必须安装的密闭式顶盖；仓库调节货台又叫仓库调节板、液压登车轿，目的是通过调节仓库货台的高度达到与各类高低不同的货运车厢的顺利衔接，方便装卸；固定式升降平台又叫剪式平台，是一种将货物从低处搬运至高处或从高处搬运至低处的液压式辅助搬运机械。

The invention is characterized in that the mouth of a sample tube is provided with a four-way valve and a buffer tank provided with a jacket, the sample in the buffer tank is blown by nitrogen gas to be completely fed into a sample bottle to realize accurate sampling.

一种用于高温高压下液固体系的密闭取样装置及取样方法，其特征在于，在取样管口设置四通阀和缓冲罐，缓冲罐带夹套，缓冲罐中的样品通过氮气的吹扫完全进入取样瓶中，可保证取样的准确性。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐