2. the part of an engine that contains the crankshaft
crank case 例句
英汉例句
so there is no evidence to show the liquid oil come from crank case ventilation and remain in the manifold assembly .
因此,没有证据显示这些液体机油来自曲轴箱通风和停留的各种装配管道…
the design optimization of jig construction, jig body, locating mechanism of crank case cores, jacket cores assembling vehicle and jig supporter was discussed.