口上的

When the nut is screw ed to the valve threads, it pulls the nipple into the valve outlet compressing the washer between the two beads.

当螺母拧到阀门螺纹上时，它把管接口推进阀门排气口，压缩在两个垫珠之间的垫圈。

Important: When returning any cylinder, ensure that the cylinder valve is properly closed, the outlet seals are in place and properly tightened, and the valve protection cap is correctly installed.

在返还钢瓶之前，要确保钢瓶阀门正确关闭，阀门排气口密封在正确的位置而且已经上紧，和已经安装了阀门保护帽。

Do you have cravings, but in positions, in your pocket in no way a pinch of tobacco, a match stick; Yes, you arms Chuaizhe a small bottle of wine, but you had set himself: Every two hours to drink one, not illegal .

你有烟瘾，但在岗位上，你的口袋里绝没有一撮烟草、一根火柴棒；不错，你怀里揣着一小瓶酒，但你给自己规定：每两小时喝一口，绝不违章。

50Mm ;Tack welding and the welding for tools and clamps shall be performed by qualified welders; and the welding procedure shall be the same as that of formal welding.

定位焊及工卡具的焊接，应由合格焊工担任，焊接工艺应与正式焊接相同，引弧和熄弧，应在坡口内或焊道上进行。

The vise is made of two parts:vise body and swivel base.Horizontal swivel goes through 360°,45°angle tilts vertically.The accurate graduations and drilling on grinders and milling machines.

精密万向平口钳是由精密工具哦空气和转盘底座两部分组成，可借助刻度转盘在水平面360°范围内转动，在垂直平面上倾斜45°，可用于精密磨床、铣床等进行平面、斜面及倾斜一定角度的斜孔加工。

There is no need to acquire a taste for southern taste such as sugar-cured country ham, crackling cornbread and key lime pie: they are delicious from the first bite.

文中的意思是：没有必要去体会这种味道，因为吃上一口就足以体会这种美味了

I eat this bean paste incense, run, small, Waterloo - Beijing market more than the Japanese red bean paste, sugar grinding machine only, dry and not slippery, light incense coarse grains, where we talk about a "run" is used.

这种豆沙吃口香、润、细、滑――北京市场上的豆沙多学日本，以机器磨碎加糖而已，干而不滑，香淡粒粗，哪里谈得上一个&润&字。

But there came a moment when the child trembled; Madame Thenardier raised the cover of a stew-pan which was boiling on the stove, then seized a glass and briskly approached the cistern.

可是那孩子还是发了一阵抖：炉上一口锅里的水开了，德纳第大娘揭开了锅盖，又拿起一只玻璃杯，急急忙忙走向那水槽。

The last great steam powered mountain line built anywhere in the world. It can ride through the formidable Jingpeng Pass.

火车将会通过崎岖的经棚垭口，一列货车至少要靠两具QJ蒸气火车头又推又拉才能登上顶峰途中经过许多山洞、高架桥、和急转弯，不管以何种标准评量，这条铁路都令人印象深刻。

Oropharyngeal cavity of the upper part of the snail-shaped organ on the gill, small eyes, the location on the low side, there is no need and swallow spoon-shaped teeth, the tooth surface smooth.

口咽腔上部有螺形的鳃上器官，眼小，位置偏低，无须，下咽齿勺形，齿面平滑。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。