入路,通行路,进气道;进路;
Research has believed that veining in admission and exhaust passage of diesel engine cylinder head may mainly be caused by crack of sand core occurring in high temperature phase change expansion.
研究认为,柴油机气缸盖进、排气道脉纹的产生主要是由硅砂高温发生相变膨胀导致砂芯开裂引起的。
Objective To discuss the clinical effect of the open style, admission passage unstressing hernia plastic operation to treat the adult inguinal hernia.
目的探讨开放式后入路无张力疝修补术对治疗成人腹股沟疝的临床效果。
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