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- He held the test tube in his hand thoughtfully. 他沉思地把試管拿在手里。
- Ref. Freon piping to be done air-tightness test and vacuum test. 冷藏氟利昂管系密性試驗和真空試驗。
- The solution in the test tube is boiling away. 試管里的溶液不住地沸騰著(zhù)。
- Perform the vacuum test using HF Electric- Spark Vacuum Tester. 用高頻電火花真空檢測儀檢測真空。
- Put some iron nails at the bottom of a test tube. 把一些鐵釘放在試管的底部。
- He mixed chemicals in a test tube. 他把化學(xué)藥品混合在試管里。
- He never held a test tube in his hand. 他手里從沒(méi)拿過(guò)試管。
- Take care not to break the test tube! 當心別把試管打碎了。
- Take care not to break the test tube. 當心別把試管打碎了。
- He demonstrated the principles with chemicals and test tubes. 他借助化學(xué)藥品和試管講解了這些原理。
- Accommodation air-condition Freon piping to be done air-tightness and vacuum test. 房艙空調氟利昂管系密性試驗和真空試驗。
- He added a small amount of water into the test tube. 他往試管中加入了少量的水。
- Take care not to let the gas in the test tube blow back. 當心別讓試管里的氣體爆炸。
- Then she poured the liquid out of the bottle into a test tube. 然后她把液體從瓶子里倒進(jìn)一個(gè)試管。
- Low temperature environment is simulated by using a cascade refrigeration system in the thermal vacuum test facility of spacecraft subassembly. 衛星部組件熱真空試驗設備制冷系統提供試驗設備的冷黑環(huán)境。
- There is a green residue in the bottom of the test tube . 試管底部有綠色的沉淀。
- The design and thermal vacuum test results of a deployable radiator with loop heat pipes for the space application are presented. 當主動(dòng)控溫的輸入信號為儲液器上溫度時(shí)，只能實(shí)現蒸發(fā)器的溫度控制而不是熱源的溫度控制。
- The test tube is closed at one end with a hydraulic seal. 試管的一端為水封所封閉。
- Please see the record of the previous buring pot after changing new pad, other countries have no records of buring test by this product, only have the record of vacuum test. 原來(lái)燒過(guò)的罐子換了新墊子后的測試紀錄;請看一下.;其它國家沒(méi)有產(chǎn)品燃燒測試紀錄;只有整理了真空測試的紀錄
- WHEN YOU BEAT OFF IN A TEST TUBE FOR YOUR SCIENCE PROJECT? 你射在一支試管里當作科學(xué)作業(yè)?
