2022年“振兴杯”车工理论试题库-上（单选题部分）

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76Cஹ1:20Dஹ1:16ᫀA268../01ᘤ345,7ᐜ9:(),;<=>$?@A9:()஺AஹBC☢,EBஹ@AEFBC☢Cஹ⚔C☢FGC☢DஹGC☢,EᫀA269.HI⌱K()FLMN9:O,PQRS᳛FUVᑐᐹḄXὑZᔠᳮ]ᵨ^_`ḼbᜧḄ>ᵨ஺AஹᑐᐹdefBஹᑗ/ᵨhCஹ:ijᜓDஹlm1ᫀB270.᥅opᔠᘤqrᡈtX,ᑗ/5lm1u()஺AஹUVᡈv.BஹUVᡈᓣQCஹᓣQᡈv.Dஹ

77271..ᑐḄlzf$()5,=Ḅᑐᜮ|Zᦣ~ឋᨬ஺Aஹ455Bஹ752Cஹ90?Dஹᜧ90஺ᫀB272..z:Ḅᦪh,5,ᵨ()jᜳ஺AஹᓫᓱBஹᓱCஹᵨᜳᐹDஹᵨᓱᫀA273.ᑐᐹஹhᐹLὊtឋ⌕QḄ7()ᜐᳮ஺Aஹ+VBஹCஹ+Dஹ+QᫀA274.$PQᩞᧇஹ|ZὊtឋ,()~ᜐᳮ஺AஹHBஹ¡¢Cஹ

78Dஹᫀc275.∍ᩚ¥¦Ḅ§¨©ª«()஺Aஹp=nmxBஹpz=znmxCxpz=2znmxDஹq=d1/mxᫀB276.¢ᔠ¬ḄὊ~$()°C஺Aஹ200~300Bஹ400~500Cஹ600~800Dஹ800~1000ᫀD277.@A()oAஹ<®¯]ᵨBஹᨬ®°ᵨ¯Cஹᨬ®°ᵨ¯Dஹ±²³]ᵨᫀD278.´EḄµz¶ᜧ·¸ᔠḄḄxz¶5,¹¸ᔠḄឋ¢«()஺Aஹº◣¸ᔠ

79Bஹq¼¸ᔠCஹq½¸ᔠDஹ¾¿IᫀB279.()l⌕ឋ«±᧕ÁÂFÃᰚÅV,Ὂ~ƶ஺AஹÇ@ÈÉᾦBஹ┛@ÈÉᾦCஹ┞@ÈÉᾦDஹÍÎÈÉᾦᫀB280.ᑓtÑḄᑐᐹÒÓÔᑗ/"Õᑮ×ᑮ()$ØḄÙᑗ/5º,Ú$ᑐᐹÛÜ஺AஹᑐᐹÝᑓBஹtÞ᪗ACஹញᒓtX▤ãDஹᑐᐹäåᫀB281..æ5,ᙠèéᩩµ,.ᑐᑓëfì()஺Aஹ-10°~-20°Bஹ0°Cஹ10஺~20°Dஹ15°~25°ᫀA

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89ᫀA314.2
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90Bஹ=>ᚖM,ᯠYᵨZᑖ⊤\]\]^_`ᜐ,ᐸcdᓽ\]fᑁ`K1hḄᚖMic஺AஹTU^_BஹTUKCஹTUW☢Dஹ\]_ᫀA319.k1ᵫmᐸn]^oᙠp31H,ᡠrᙠᑗtuFvwxyz0,{᧕}~9,"uFn]஺AஹឋBஹᑗtCஹDஹᔣᫀA320.01⌼Y/✌ᐜ᣸ᜐᳮ()F'஺AஹnBஹ

91Cஹ2ᡈ⌨DஹpᫀC321.ᓄ5()u¡¢ᡂḄ஺Aஹᑗt¤Bஹ¥¦¤Cஹ9ᱥ¤Dஹᓄ¤ᫀD322.¨©ᑗtuFN,ᑗtª«¬ᨬ®ᜐᙠ()H஺AஹᑐᐹBஹFGCஹᑗ±Dஹᫀ:A323.ᙠ³´µKḄK¶᎔P/¸┵º»ᑗtN()஺Aஹ{᧕ᑗᐭBஹo᧕ᑗᐭCஹ{᧕ᢚ¾Dஹo᧕ᢚ¾ᫀ:A

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93GðñDஹó◣ᫀc328.?┯Aᑁ᣸±ùKÖ⚔Pú2kr=125°~140°,᪵(),ᨵᑭᔣᙽ,ᜮ஺Aஹᑗ!Bஹ$ᔣCஹ&'Dஹ᥅*+ᫀ-B329.2ᑗ3ᑐ〉ᵨᑗ3()஺Aஹ8ᩞᧇBஹᜧ<=>?Cஹ@ADஹᝅC>?+ᫀ-B330.ᙠEFGH>>?I,EFJ☢LᐕN()஺AஹJ᦮BஹPQGPSDஹQSᙳU+ᫀ-C

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