Drawing piece unfold size is one basic condition under the calculation on coefficient, number of drawing, handbooks or books of press are not given, practice press production, die designer designs drawing die by experience calculation, after testing, according to deformation, state, defect shape of testing blank, shape and unfold size is revising, finally, unfold size and shape of blank are determined, designing period is longer, cost of die and work piece is to raise, economic benefit is to reduce
拉深件展開尺寸是拉深可行性分析中計算拉深系數與拉深次數的前提條件，現有沖
壓手冊或教材對于復雜拉深件的展開尺寸計算尚未論述。復雜拉深件的沖
壓生產中，模具設計者憑經驗估計拉深可行性，設計製造拉深模進行反復
試壓，根據
試壓件的形變狀態，缺陷形貌，制定坯料展開尺寸和形狀，周期較長，因而生產成本高，經濟效益不佳。
This paper depicts the engineering outline of the pipeline crossing project as well as a series of new construction methods such as integral pipeline prefabrication, trenching layer by layer, integral lowering pipeline into trench and integral pressure testing, which speed up the construction progress and reduce the construction cost
文章介紹了穿越段的工程概況以及管道整體預制、管溝分層開挖、管道整體下溝和整體
試壓等一系列新的施工方法，該方法加快了施工進度，節約了施工費用。
This machine is fit for the testing use of water pressure intension for highpressure vase as oxygen carbon dioxide, nitrogen, hydrogen, etc., with for functions of loading and unloading valve, water pressure intension testing. auto overturn water pulling, pressure tested under free condition, advanced at home, and is the favorite equipment for steel vase testing stationgs and manufacturers
本產品適用於高
壓氣瓶（氧氣、二氧化碳、氮氣、氫氣等， ）作水
壓強度
試驗，具有裝卸瓶閥、水
壓強度
試驗，自動翻轉倒水，四大功能，在只有狀態下
試壓，是目前國內較為先進的高
壓氣瓶
試壓裝置，是各鋼瓶檢測站、製造廠理想設備。
Upon pressure testing, if leakage is found at the rear end of valve, first of all, pressure has to be released, then, union shall be rotated 1 / 4 round with wrench to stop leakage
在
試壓測
試時在閥門的後端假如有任何的泄露，應先泄
壓后再使用板手將大殼轉1 / 4圈去止漏。
They measured stress levels based on blood flow and heart activity
他們基於血液流動過程和心臟跳動來測
試壓力程度。
Pressure test of segmental pigging : cleanup sundries, free rust, drainage and exhaust in pipe
分段清管掃線
試壓：清除管線雜物、浮銹、排水、排氣。
Pressure test of through out pigging : inspect pipe deformation and construction quality. exhaust before water pressure test, drainage before manufacture, dryness and medium isolation
總通清管
試壓：檢測管線變形、施工質量。水
壓試驗前排氣、生產前排水、乾燥、介質隔離。
All professional function testers have their favorite problem areas on which they concentrate, such as bounds testing, stress testing, and common path testing
所有專業功能測
試員都會關注他們擅長處理的問題領域，如邊界測
試、
壓力測
試和公共路徑測
試。
Full pressure test the ram preventers
對閘板防噴器進行全
壓試壓
Have the camron type u bop pressure - tested with 10, 000psi
卡麥隆u型防噴器
試壓1000磅/英寸2 。
Standard test method for indentation softening temperature by thermomechanical analysis
使用熱機分析法測試壓痕軟化溫度的標準試驗方法
