查询词典 coupling rod

API sucker rod coupling coated a layer of abrasion-proof ,wear-proof and lessening friction coat ,and the raw meterial is good quality steel alloy 40cr,the type:

360诚信会员公司烟台运盛石油机械配件有限公司是专业抽油杆接箍批发销售生产厂家，该企业为你提供抽油杆接箍最新市场价格行情/报价，工作原理装配图，产品品牌规格型号/尺寸标准，使用方法安装说明书等实用商机信息！

Our main products: Lower gusset plate, Crank shafts, Wheel hub, Hook, Shifting fork, Lever end, Container forging, Screw nut, Connecting rod, Adjusting arm, Petroleum machinery, Universal coupling, Rock arm and Deformed forging, etc.

主要产品：下联板、曲轴、轮毂、吊钩、拨叉、杆端、集装箱锻件、螺母、连杆、调整臂、石油机械、万向节叉、摇臂、异形件等多个品种及型号。

The innovations of the dissertation are given below: 1、Through many times simulation, we find that the suitable adjustment the dielectric rod radius between defect waveguide and resonant cavity can be greatly improved the efficiency of coupling.

本论文的创新点主要包括以下三个方面：1、通过多次仿真，发现适当调整波导与缺陷谐振腔之间介质柱半径的大小能较大幅度的提高耦合效率。

These sets consist of a coupling which attaches to standard valve stem and an extension rod.

这些装置由可连接标准阀门阀杆的联结器和加长杆组成。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。