turning表示中文（）。

[单选题]When turning the engine with turning gear, you should keep the indicator cocks （）.A . attached to the indicatorsB . openedC . closedD . broke

[名词解释] 转车盘 turning jack

[单选题]thick表示中文（）。A . 厚度B . 长度C . 光洁度

[单选题]tube表示中文（）。A . 管子B . 圆棒C . 线材

[单选题]loop表示中文（）。A . 卷取机B . 张力C . 活套

[单选题]crack表示中文（）。A . 粗糙B . 裂纹C . 缺陷

[单选题]B．efore engaging the turning gear and turning the diesel engine, which of the following operation should be done except______.A．open the indicator cocksB．supply some CYL.Oil to cylinder liner wall with lubricator (only for two stoke diesel engine)C．p

[单选题]Whilst the engine is turning, check to see that no water is leaking into the crankcase, scavenge air belt, or from （）.A . exhaust valvesB . starting valvesC . fuel valvesD . the indicator cock

[单选题]Before starting the turning gear, （） should be worked by hand to minimize corrosive action on the liners.A . the indicatorsB . the starting valvesC . the cylinder lubricatorsD . the turning gear

[单选题]B．y turning this knob to the right you can _____ the sound from this radio.[A] amplify[B] enlarge[C] magnify[D] reinforce