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Upon installation, a hand-tightened union nut serves to compress the face-seal of a Chemtrol valve.

一旦安装完毕，手动旋紧的管接螺母就紧压着Chemtrol阀门的密封面。

Upon installation, a hand-tightened union nut serves to compress the face-seal of a Chemtrol valve.

在安装期间，手动紧固管接螺母用来压紧Chemtrol阀门的表面密封。

Loosely tightened union nut will cause water leakage.

否则，将会漏

If the Bolts are tightened under such circumstances, the transmission case may be Broken.

如果在这种情况下紧固螺栓，变速器壳体就会破裂。

If the Bolts are tightened under such circumstance s, the transmission case may be Broken.

如果在这种情况下紧固螺栓，变速器壳体就会破裂。

A threaded hexagonal or square-headed bolt with a nut; tightened with a wrench; used to connect metal parts.

一种带有螺母的六角形或圆头螺纹螺丝；用扳手拉紧；用于连接金属。

The set screw fits in a threaded raidal hole in the hub,and the point is tightened down into a hole,a flat,or a dimple in the shaft or key.

在毂的一个被穿线于的 raidal 洞中的固定螺丝钉适宜，和重点进入桥或钥匙的一个洞，公寓或一个酒窝之内被勒紧下来。

Multi-Axial Crosslink Plate, the midline screw is tightened using SW5.5 Wrench (11302017)after the

如果使用活动横联装置，拧紧两边的横连顶丝后再用SW5.5扳手

After the gauge has been inserted and adjusted, the thumb screw is tightened and the tool removed for measurement of mismatch.

插入该测量仪并进行调整，拧紧翼形螺钉，然后取出该工具以测量偏移率。

Mounted coupling: first in the motor shaft mounted on the head ring, mounted on coupling half, and then in the shaft coupling client and loaded block chute and Plum wrench tightening bolts (lifting shaft 3 ~ 5 mm and to provide mechanical seal prestressed); and then loaded up the other half on the coupling screw Hexagon screw must be tightened.

装联轴器：先在电机轴头上装上挡圈，装上一半联轴器，再在泵轴端和联轴器槽内装上挡块并用梅花扳手拧紧螺栓（吊起泵轴3~5毫米并提供机械密封预应力）；再装上另一半联轴器拧上内六角螺钉必须拧紧。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。