torque wrench
http://www.sears.com/craftsman-micro-clicker-torque-wrench-3-8inch-drive/p-00931423000P?prdNo=3&blockNo=3&blockType=G3
"把皮帶輪轉到0”是否就是Setting No.1 Cylinder to TDC? “上止點” = TDC"
沒錯,不過在0時是壓縮行程完成以後的上止點,compression top dead center.TDC也可以是排氣行程的 上止點,隻有在0時才是compression top dead cente。