Diesel engine starting difficulties due to cold intake air temperatures, can be overcome by using a/an()
A. increase in starting air pressure
B. increase in lube oil viscosity
C. compression expansion device
D. jacket water heater
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向一般纳税人采购非自产砂、土、石料,取得17%税率增值税专用发票,抵扣进项税。
A. 正确
B. 错误
哪级部门依法对社会救助资金、物资的筹集、分配、管理和使用负有实施监督权()
A. 审计机关
B. 财政部门
C. 监察部门
In mid-ocean,the characteristics of a wave are determined by three factors. What is NOT one of these factors?()
A. Effect of the moon's gravity
B. Fetch
C. Wind velocity
D. Length of time a wind has been blowing
油材杆的弯曲程度在最大弓形处,与梢径和杆根连接线的偏离,不应大于木杆全长的()。
A. 2%
B. 4%
C. 6%
D. 8%