To avoid cracking of the casting, there should be ____________ for shrinkage during solidification
allowance
举一反三
- ( ) cracking is generally encountered during postweld heat treatment (PWHT) of steels A: Reheat B: Stress relief C: Hydrogen induced D: Solidification
- Casting solidification is generally divided into three types:__________, __________ and __________.
- What should we try to avoid during food eating?
- What should be done to avoid possible technical failures during presentation?
- If you are going on holiday during the weekend, which place should you avoid?
内容
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To avoid the flocs being destroyed, the number of grids should be decreased as well as the size of grids should be increased with increasing the flocculation time during the coagulation process.
- 1
You<br/>should avoid arrange your meeting time with Kazakh business partners<br/>during their prayer time. ( )
- 2
Sand casting pattern design should take ( ) into consideration.
- 3
It’s better to avoid _____ downtown during the rush hour.
- 4
The points which should avoid puncturing blood vessels during acupuncture（ ） A: LU 7 Lieque B: LI 4 Hegu C: SP 10 Xuehai D: LU 9 Taiyuan