查询词典 screw

Three-dimensional isothermal flows of two different screw heads of the injection molder are simulated by using the finite element package Polyflow and adopting the work conditions that the barrel wall is static and the screw rotates and reciprocates periodically.

往复式螺杆注塑机的核心部件是螺杆，其作用是将固态的塑料熔融塑化，并将其注入模腔。螺杆设计是往复式螺杆注塑机设计的关键技术之一[1]。由于没有解析公式来辅助设计注塑螺杆，故通常简单地参照挤出螺杆的设计方法进行设计[2，3]。

Special screw: What practical five metalses manage mainly with specialized communication, electric power, electric apparatus and instrument trade to press and install rivetting type screw.

特殊螺丝：务实五金主要经营的是具有专业化的通讯、电力、电器及仪表行业的压装铆接类螺丝。

The connecting pin axle, firm screw, screw, open pin should use the special components of the production factory.

各部件之间的连接销轴、紧固螺栓、螺母、开口销必须使用厂家的随机专用紧固件，不得随意代用。

Pinch Lampholders the time, we must at Lok, lamp holder and light shell balance, do not screw hard pinch, or likely to cause different deduction, but not several times as much as possible under the screw Otherwise likely to cause loss to Lok.

当拧轻持有人，螺母必须妥善安装，以平衡灯头和灯的房屋。它不是一个广泛的方法，以螺钉拧激烈，如果不能工作，这将导致螺钉误。何况，请务必不要螺钉螺帽几倍，或者它会导致螺帽失去。

The CNC Ball Screw Shaft Grinder SK7450×9000 was mainly used for th e cylindrical and ball track grinding of super-long ball screw shaft.

指出了数控超长滚珠丝杠磨床的发展方向。

A support member is connected to the one-sided end of the screw member while centrally bearing a support bar protruded opposite to the screw member.

一支撑件连接到螺纹件的一端，且其中心具有向与螺纹件相反方向伸出的支撑杆。

The design work involves: overall design of milling machine, draw out of drive project, design of lathe bed, theory design and calculate of feed part, and the design of to-and-fro guide screw leading screw for profile modeling machining.

专用铣床的设计包括：铣床的总体设计，传动方案的拟订，床身的设计，进给部分的理论设计和计算，以及用来仿行加工的往复丝杠的设计。

Installs the engine bed horn the ground plane to be possible to use the concretes, may also be the lignin, request smooth seed; When installs, turns on lathe adjusts the screw rod, puts in the horn the engine bed on the load plate, then turns on lathe into the screw rod from above.

安装机床垫铁的地基平面可以用混凝土，也可以是木质的，要求平整结子；安装时，旋出调节螺杆，将机床置于垫铁的负荷盘上，然后从上面旋入螺杆。

Installs the engine bed horn the ground plane to be possible to use the concretes, may also be the lignin, request smooth solid; When installs, turns on lathe adjusts the screw rod, puts in the horn the engine bed on the load plate, then turns on lathe into the screw rod from above.

安装机床垫铁的地基平面可以用混凝土，也可以是木质的，要求平整结实；安装时，旋出调节螺杆，将机床置于垫铁的负荷盘上，然后从上面旋入螺杆。

Fix meter and calibration tooling board to 34 racks test bench together, loose the lower row screw, fix the upper row screw upper. Insert 4 pieces of current binding post into terminal 1,2,3,4, embed tightly, ensure connection is well. Clamp voltage line to terminal 1, clamp neutral line to terminal 2, align optical port with pulse LED, start to calibrate.

电表连同校表工装板一起固定到34表位校表台上，表的下排螺钉打松，上排螺钉固定，4根电流接线柱插入端钮盒1、2、3、4端子内，卡紧，确保接触可靠；将电压火线夹端子1上，零线夹端子2上，光电头对准脉冲灯，开始校表。

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％。