撓頭 的英文怎麼說

Sales : imported and domestic natural rubber, butylbenzene rubber, polybutadience rubber, butyronitrile rubber, epdm rubber, butyl rubber, chlorosulfonated polyethylene tyre types superfine, smell - free, butyl, butyronitrile, color and milk natural rubbers, compound rubbers and reclaimed rubbers ; raw and auxiliary materials for rubber chemical such as rubber accelerator, antiager, black, paraffin, octadecoic acid, zinc oxide, magnesium oxide, titanium pigment, coumarone and powder sulfur ; different specifications of epdm color granules, crossover antiskid rubber floor brick, plastic rubber sites, lawn layout, different specifications of antiskid rubber floor brick, rubber blind - people road brick, plant brick, tree guard brick, top adiabatic brick, road rubber reducer brick, special green rubber tyre rubber granule, rubber powder and product, different rubber and plastic pipe, adhesive tape and plate, flexible rubber soft joint, rubber stop tape, bridge extension device, natural rubber plate pedestal, water - expanding rubber, rubber and plastic air duct, pe / pp / pvc water pipe, fulgurite, flame retardant wire gutter, floor wire gutter, mc nylon product, rubber and plastic machinery and fitting relieve, and processing of different ordinary and special rubber and plastic and nylon products

經營銷售：進口、國產天然膠、丁苯膠、順丁膠、丁腈膠、三元乙丙膠、丁基膠、氯璜化聚乙烯、輪胎類精細、無味、丁基、丁腈、彩色、乳膠類等多種型號天然橡膠、合成橡膠和再生橡膠；硫化促進劑、防老劑、炭黑、石蠟、硬脂酸、氧化鋅、氧化鎂、鈦白粉、古馬龍、工業硫磺粉等各種橡膠化工原輔材料；各種規格epdm彩色顆粒，天橋防滑橡膠地磚、塑膠場地、人造草坪鋪裝、各種規格防滑橡膠安全地磚、橡膠盲道磚、植草磚、樹木圍護磚、屋頂隔熱板、道路橡膠減速塊，專用綠色環保型橡膠輪胎膠粒、膠粉及成品，各類橡膠、塑料膠管、膠帶、膠板，可撓曲橡膠軟接頭，橡膠止水帶，橋梁伸縮裝置，天然膠板式橡膠支座，遇水膨脹橡膠，橡膠、塑料導風筒， pe pp pvc水管、電管、阻燃線槽，地板線槽、 mc尼龍產品、橡塑機械及配件調劑，並承接各種普通、特種橡塑、尼龍產品加工製造。

Jxf flexible dirt - filteration expansion joint

Jxf型可曲撓濾污伸縮接頭

Jxf flexible dirt - filteration expansion joint - changmao

Jxf型可曲撓濾污伸縮接頭- changmao

Pneumatic system - flexible tubes - tube fittings

氣動系統.撓性管.管接頭

Dan occam thought of that, invincible doctor. a misty english morning the imp hypostasis tickled his brain

英國一個下霧的早晨，基督人格問題這一小精靈搔撓著他的頭腦。

The catch is that orion is not exactly desktop friendly

對「獵人」而言，有個撓頭的問題就是桌面不是那麼友好。

Thomson scratched his head.

湯姆森撓撓頭皮。

The instrument has two ball contact tips which have different diameters. its prominent merit is that it can find the minimum value of the thickness easily and output it directly. and also it has a splaying and closing control part for the tips to avoid destroying the surfaces of joints

本測量裝置採用直徑不同的兩個球形觸頭直接測量撓性接頭細頸厚度，並能夠尋找細頸厚度最小值;同時該裝置含有的測頭球張合控制部分能夠避免接觸時劃傷工件。

Along with the progress of drilling technology, many new types of bha such as steering motor assembly, dropping assembly with eccentric bend sub, dropping assembly with flexible connection are developed based on common building, dropping and holding assemblies. for using these bha, a new mathematical model is put forward for 3d static analysis of these types of bha under small deflection. and its weighted residual solution is given. the mathematical model includes ( 1 ) differential equations ; ( 2 ) boundary conditions at drill bit, stabilizer, bend angle, diameter change, tangential point and borehole wall ; ( 3 ) lateral forces and deflection angles of bit. the software based upon this method runs well

為了更好地應用各種新鉆具，建立了適用於對普通下部鉆具、導向鉆具、帶偏心彎接頭和柔性接頭的下部鉆具進行三維小撓度靜力學分析的數學模型，包括（ 1 ）微分方程； （ 2 ）鉆頭、穩定器、彎角、變截面、切點和井壁的邊界條件； （ 3 ）鉆頭的側向力和鉆頭轉角.給出了該模型的加權余量解.用該方法編寫的軟體應用效果良好

Flexible rubber joint introduction - changmao

可曲撓橡膠接頭介紹- changmao

Flexible rubber joint displacement map

可曲撓橡膠接頭位移情況示意圖：

He scratched his head and prepared to go down town

他撓了撓頭，打算去商業區了。

So, what am l doing now ? - you ' re scratching your head

那麼我現在在干嗎? -你在撓頭皮

- so, what am l doing now ? - you ' re scratching your head

-那麼我現在在干嗎? -你在撓頭皮

Scratch my head

替我撓撓頭。

The redneck scratched his head in bewilderment, and asked the doctor, " you reckon it might be the light that ' s attracting them

鄉下人撓頭抓耳，不明白是怎麼回事，於是問醫生， 「你覺得是不是，這些小傢伙看到光所以爬出來了？ 」

It wasn ' t bad, either, harry thought, licking it as they watched a gorilla scratching its head who looked remarkably like dudley, except that it wasn ' t blond

這也不壞啊，哈利想，一邊舔著檸檬冰棍一邊觀賞一隻正在撓頭的大猩猩，這只猩猩長得可像達力了，只不過它不是金發的。

So don t ignore these details or speed through them ; when your handy - dandy toolkit creates an error, you won t be stuck scratching your head and sending an email to support

因此不要忽略這些細節或者簡單地瀏覽一下，如果便捷華麗的工具箱出現了錯誤，您就不必撓頭或者發送郵件請求支持了。

The bizarre consequences include the fundamental truth that it is impossible to know everything about the world ; the meaning of quantum mechanics still provokes head - scratching by physicists and philosophers alike

產生的奇異結果之一是發現了這樣一個基本事實：即徹底了解世界是不可能的；量子力學的意蘊仍然挑撥著物理學家和哲學家，令他們撓頭不已。

Sad to say, this project has turned out to be mostly low - level findings about factual errors and spelling and grammar mistakes, combined with lots of head - scratching puzzlement about what in the world those readers really want

遺憾的是，這一計劃結果只是獲得了一些膚淺的發現，諸如事實有誤，拼寫和語法錯誤，另外還有許多令人撓頭的困惑，譬如讀者到底想讀些什麼。